Coal ash as fertilizer. How to use ashes as fertilizer Activated charcoal in the garden

Ash from coal as fertilizeris used relatively rarely, since it contains few nutrients, and even those are in a form that is inaccessible to plants. At the same time, this product of coal combustion cannot be considered absolutely useless for garden needs. I will tell you about how to use it on a personal plot in this article.

Coal ash stands on last place in nutritional value compared to the ash obtained from the combustion of all other types of fuel. For example, the ashes of birch logs contain lime - 36.6%, potassium - 13.3, phosphorus - 7.1, and in the ashes of lowland peat: lime - 18.0%, potassium - 1.45, phosphorus - 3, fourteen. At the same time, in the ash from coal, the content of these substances is 2.2, 0.12 and 0.06%, respectively. In addition, all the substances in it are in a form that is poorly accessible to plants - in the form of silicates, which stick together into a glassy mass during combustion.

However, such ash is rich in silicon oxides, the amount of which sometimes reaches 60%. Thus, this substance can be successfully used as a substitute for sand for draining and loosening wet and heavy clay soils. This improves the structure garden soil, increasing its moisture capacity, and, accordingly, fertility. Another positive property of coal ash is that it contains practically no chlorine.

Due to the fact that coals often contain a lot of sulfur, sulfates can accumulate in the ash. That is, the ash from coal does not normalize the acidity of the soil, but shifts its Ph to the acid side. In this regard, its use on sandy and acidic soils is impractical.

Salt licks are quite another matter, in the process of reclamation of which gypsum, which is essentially calcium sulfate, is introduced into the soil. On such soils, ash sulfates displace carbonates during chemical reactions and form soluble salts. They are removed from the top fertile soil layer during irrigation. As a result, a decrease in soil salinity is observed. Among other things, the sulfate ion partially neutralizes the alkaline reaction of salt licks. It should be noted that the use of coal ash is still recommended on neutral and slightly acidic soils, and preferably with the parallel introduction of calcium nitrate, ammonium carbonate and bicarbonate, bird droppings and mullein.

Ash from coal as a fertilizer is good for such crops - active consumers of sulfur, such as mustard, onions, different types cabbage, garlic, legumes, radish, swede, horseradish. By the way, to increase the quantity and quality of the harvest of these plants, the beds with them are even specially plastered (fertilized with gypsum). However, it does not make sense to introduce this type of ash under vegetables that have increased requirements for soil nutrition, since it is generally poor in the nutrients they need.

On loamy and heavy loamy soil, the soil is filled with coal ash late autumn and in small quantities - no more than 3 kilograms for every 100 square meters. m. If a wood ash not allowed to combine with nitrogen-containing fertilizers ( ammonium nitrate, manure), then coal is possible and necessary, since sulfur ions bind ammonium, thereby reducing the loss of valuable nitrogen. Thanks to this property, it is also not forbidden to add it to compost, but only after preliminary sifting from caked pellets.

Ash as a fertilizer for growing various plants on a personal plot has been used since ancient times, and only in recent decades has faded into the background, being replaced by ready-made industrial fertilizers in bright packages. This is because the preparation and use of ash as a fertilizer seems difficult or impractical compared to powder or granules, which are given instructions and dosage, and, of course, in vain.

When is Ash Useful as Fertilizer?

What is ash is obvious to every person, even very far from stove heating and gardening. Another thing is that, firstly, not any ash will be useful as a fertilizer, and secondly, not every soil will be improved by the introduction of this particular substance.

When using ash as a fertilizer, it is important to consider that:

Ash must be clean.

The purity of the ash means that it is obtained from the combustion of one type of wood or other plants and does not contain residues of any other substances such as paint, plastic, tin and others.

It is impossible to accurately calculate the composition of the ash obtained from burning together different wood and plant residues, and therefore, use it for its intended purpose for good and health specific type plants. If, say, beer cans and bottles were burned simultaneously with the tree, then such ash is completely dangerous both for the plant itself and for its future fruits, and, consequently, human health.

Ash neutralizes the soil of medium acidity.

Considering that ash is nothing more than an alkali, and is an excellent soil deoxidizer, it should be applied to the ground with a pH value below 7 and no more than once every three to four years.

The simplest and cheap way determination of soil acidity - using special strips of litmus paper and a scale on their packaging. The entire set can be purchased at the chemical reagents store. If this method is not available for some reason, you can use people's councils to determine the acidity of the soil.

How to determine soil acidity (video)

Ash is different

Ash, which is nothing more than a non-combustible mineral residue of organic matter, has different properties and, accordingly, uses depending on what exactly was burned. In other words, the concentration and ratio in the ash useful substances, necessary for the growth and development of plants, varies quite a lot depending on the source of its origin.

Ash from crop residues

When burning hay or fresh grass, leaves or cut tops of root crops, an ash with a high potassium content is obtained.

The easiest way to prepare ash is from the tops of dug potatoes, especially since it turns out to be quite nutritious for future generations of plants. It contains about 30% potassium, 15% calcium and 8% phosphorus. Also, the ash left from the burning of sunflower and buckwheat stalks comes out quite rich in potassium, and the ash, for example, from rye and wheat contains a lot of phosphorus.

Thus, the stems and tops left over from harvested crop, you can not only lay in compost, but also prepare ash from them, which will be no less useful for the growth and maturation of vegetable and fruit crops.

wood ash

Hardwood ash is the most widely available and therefore the most common fertilizer of its kind. Considering not same properties and the composition of the ash obtained from incineration different breeds trees, one should make it a rule not to mix, for example, birch and larch in one firebox, and thus produce high-quality and pure fertilizer for plants. It should also be remembered that the ash prepared from young wood is richer in useful substances than from the burning of old trees.

Hardwood (oak, maple, elm, ash, larch, poplar, etc.) and ash after burning contains a large number of potassium, and most of this substance is in the ash left after the burning of elm.
In the ashes obtained from burning wood soft rocks(pine, spruce, linden, alder, aspen), potassium is noticeably less.
Birch stands apart - being softwood, it nevertheless produces ash with a potassium content no less than after burning maple or oak. In addition, there is also plenty of phosphorus and calcium in such ash.

Surprisingly, birch ash is good not only for feeding plants, but also for cleaning moonshine! In the old days, it was this substance that was used to rid moonshine of an unpleasant aftertaste and possible harmful impurities: added about a pound of birch coal or ash per 12 liters of moonshine, defended, and then enjoyed the purest environmentally friendly product.

coal ash

Ash prepared by burning coal is a completely separate issue. The fact is that it practically does not contain potassium, phosphorus and calcium, which are so rich in wood ash and thanks to which ash is useful and important for the growth and development of plants. That is why coal ash is completely inapplicable as a fertilizer, but due to the content of a large percentage of silicon oxides, it can be useful for draining moist soil and loosening clay soil.

And one more important feature concerns the fact that coal ash, unlike wood ash, oxidizes the soil even more due to the sulfur content. That is why it is very important to know the raw materials from which the fertilizer is prepared, because rather important indicators of soil acidity and the survival of plants in this environment directly depend on its origin.

Properties and application

Woody

Wood ash is able to supply the plant necessary quantity potassium, calcium and phosphorus, as well as neutralize the soil with medium acidity. The properties of wood ash are enhanced and leveled depending on the plant for which the fertilizer is prepared based on it. It is important to observe the dosage, compatibility and frequency of applying wood ash without special improvisations:

For cucumbers, zucchini and squash you need to use wood ash as a fertilizer three times: one glass when digging the earth; one or two cups per hole immediately before planting seedlings; as a top dressing, approximately in the middle of the growing season, also one glass for approximately one square meter in upper layer soil followed by irrigation.

For tomatoes, peppers and eggplants ash can be used twice, but much more at a time: three cups per square meter when digging the soil; a little less than a glass in the hole before planting seedlings in the ground.

For cabbage, regardless of type ash is put when digging about two glasses per square meter, and a handful of fertilizer in the hole before planting a bush.

Cabbage, radish, radish and swede, as soon as 2-3 full-fledged leaves have grown, it should be lightly dusted with ash or a mixture of tobacco dust and ash in order to protect the plant from flies and fleas.

For onions and winter garlic ash is used for digging in the fall, about two glasses per square meter, and then in the spring before planting in the soil - one glass per meter.

Before planting legumes (beans, peas), as well as radishes and dill it is better to dig up the earth with the addition of a glass of ash per square meter.

For carrots, parsley, radishes and beets before planting, you should dig up the soil with ash (a glass per square meter).

For potatoes it is also necessary to stock up on ash to ensure proper comprehensive care for the plant: a glass of ash per meter when digging; three tablespoons mixed with earth into the hole when planting; as top dressing when hilling one or two glasses under each bush.

For flowers ash should be applied to the soil one glass at a time when digging and directly into the hole when planting.

Wood ash is a rather volatile substance and dissolves perfectly in water, so you should not try to store it, but rather immediately add it to compost heap, pouring food waste with it.

By the way, due to its excellent solubility, ash has been used since ancient times as a detergent and washing powder. The so-called lye was diluted in water and the laundry was soaked in the resulting solution. The tool turned out to be quite aggressive, so it washed off any stains.

Carboniferous

The addition of coal ash to the soil must be taken very seriously. Before using it, it is imperative to find out, firstly, the origin of the ash, and secondly, the acidity and, in general, the composition of the land into which fertilizer is planned to be applied.

Ash obtained from low-quality coal will not bring benefits, and due to sulfur compounds, it can also harm plants that do not need sulfur.
It is categorically impossible to use brown coal ash on alkaline soils, because soil deterioration will be on the face due to stagnant rainwater, and chlorine salts in the composition of the earth will have a very bad effect on the growth and quality of plants.
But the ash obtained from the combustion of coal good quality really improves the quality. clay soil and can be a good fertilizer.

Coal ash is useful for plants that need sulfur, namely:

for onions and garlic;
for cabbage and horseradish;
for radish and swede.

Thus, the introduction of ash - both wood and coal ash - should be treated more than carefully, at least after first finding out the acidity of the soil that is planned to be fertilized. It is also worth remembering that only the ash that is obtained from high-quality raw materials is good, and that it is more useful than natural natural fertilizers there can be no chemical substance.

Wood ash for grapes (video)

Ash has been used as a fertilizer since the early gardens. It is widely available, inexpensive, and easy to use. But the introduction of coal ash into the soil cannot be carried out without control. With such top dressing, you must comply certain rules and proportions, as well as take into account for which plants and types of soil it can be used.

With all the usefulness of ash elements, it must be borne in mind that not every ash is suitable for. The product of coal combustion, which was taken from a contaminated or radioactive zone, should not be used, because it accumulates harmful substances that plants will consume.

Coal soot can be obtained from the combustion of coal or lignite. Accordingly, it will differ in proportions chemical composition, which contains a small amount of:

Calcium, which is necessary for the development of plants. It takes part in carbohydrate-protein metabolism, therefore it is very useful for young crops with active growth. Calcium is also necessary for the roots of plants, it helps to absorb other trace elements found in the soil. This element is able to influence the acidity of the soil by binding some acids.
Potassium, which takes part of cell sap and takes an active part in photosynthesis and carbohydrate metabolism. It activates enzymes and affects the quality of fruits and vegetables.
Phosphorus, acting as an energy supply for plants. It is involved in the metabolic processes of the plant organism and has a direct impact on the degree of ripeness of fruits and seeds, and consequently, on the quality and quantity of the crop.
Magnesium, which is part of chlorophyll and affects photosynthesis. The plant signals a lack of this element with yellowed leaves and their fall.
Sodium, which promotes the transfer of carbohydrates, and a sufficient amount of the element helps to increase the resistance of plants to pathogenic factors external environment and low temperature.

However, ash fertilizer is used quite rarely, because the minimum content of nutrients enters the soil in a hard-to-reach state for consumption by plants - these are silicates, which fuse under the influence of high temperatures and form glassy masses.

Coal ash. This fertilizer is rich in silicon oxides, the content of which often exceeds 50%, so it is often used to drain and loosen wet, heavy clay soils. Coal fertilizer improves the structure of homogeneous soils, increases their moisture permeability and fertility. In addition, such fertilizer top dressing practically does not contain chloride compounds. The use of coal fertilizer is unacceptable for sandy soil and soil with high acidity, since the high sulfur content is converted to sulfates and contributes to an increase in acidity. In this regard, it is recommended to combine coal fertilizer with calcium-containing, ammonium and organic fertilizers (bird droppings and manure).
Ash of brown coal. Get brown coal under the influence high pressure on plant masses that are saturated with phosphorus, potassium and other mineral compounds. Such top dressing is used as, which enriches poor soils with microelements. Unlike coal ash, brown coal ash reduces soil acidity, improves its structure and saturates it with boron, manganese, copper, molyben, zinc and other components, which helps to increase productivity. Brown coal crumb contains glumic acids (about two percent) and is a raw material for the production of glumates (fertilizers), which have a high physiological activity that improves the agrochemical properties of the soil and stimulates the activity of earth microorganisms. Glumates also prevent the leaching of useful elements from the soil.

mustard
onion
various types of cabbage
garlic
legumes
swede

To increase the yield of these crops, the combustion product of coal is combined with gypsum. For nutrient-demanding crops, fertilizing with rock ash will not bring any benefit, because it contains an insufficient amount of nutrients for them.

Crushed coal slag is introduced during the digging of near-stem circles of fruit-bearing trees.

At regular top dressing Coal ash accumulates fluorine and potassium in soil soils, because the ash retains its usefulness in the soil for five years. But for the effectiveness of the use of such a fertilizer, a combination with organic matter is necessary.

Ash and brown coal flour are often used in the manufacture of substrates for seedlings of cucumber and tomato crops. To do this, mix one part of peat and sand and 5% of crushed brown coal. Useful properties of such ash remain in the soil from three to five years. Brown coal ash is effectively added to compost from fine straw, grass and.

In loamy and heavy loamy soils, coal ash is applied in autumn in small quantities - it is recommended to apply no more than three kilograms per one hundred square meters. To increase the effect, such a fertilizer should be combined with ammonium nitrate and organic matter, because by binding ammonium with sulfur ions, the loss of nitrogenous compounds is reduced.

Rules for the introduction of coal ash:

in heavy and clay soils, ash is applied to a depth of twenty centimeters
due to leaching by precipitation, it is recommended to apply ash before winter
coal ash is used in dry form and as solutions (100 grams of an element per 10 liters of water), but the solutions contain a reduced amount of useful elements
ash is stored exclusively in dry rooms, in tightly closed containers. When moisture gets in, the usefulness of the fertilizer is lost.
simultaneous application of ash and nitrogen-containing dressings is not recommended
ash can be used to stimulate seed germination. To do this, prepare an ash infusion, which must be kept for a day and soak the seed material in it.

It should also be taken into account that the coal top dressing contains sulfites, which are toxic to plant crops, but they undergo oxidation under the influence of oxygen and acquire beneficial features. As a result, the combustion products of coal should not be applied immediately, the ash residue must be sieved and dried on the floor in a dry place for at least a week and a half. After that, the slag is stored in a well-closed container.

The application rate of ash fertilizers of brown coal per square meter is 3-5 kg.

An excess of such a fertilizer will slow down the development of crops and increase the level of strontium in the soil. Brown coal derivatives - glumates are recommended to be used at a rate of 50-60 grams per square meter, and crumbs - no more than 12 grams. Excessive application of these elements leads to inhibition of vegetation and the destruction of beneficial microorganisms, which negatively affects the composition of the soil.

practically no flaws. Experienced gardeners prefer ash dressings because of a number of advantages:
Safety and naturalness. Ash does not harm the human body, does not exude an unpleasant odor and does not cause skin irritation.

Cheapness and availability. Coal ash can be made independently, purchased at specialized retail outlets, or taken from friends who are heated with coal. Fertilizer is consumed economically and can be stored for a long time.

protective properties. Coal ash is a good vegetable prophylaxis. When ash is sprinkled on the soil around the plants, the attacks of snails, slugs, ants, flies and whites stop.

Prevention of diseases caused by fungi. For this, the plants are sprayed with an ash solution.

There is an opinion that coal combustion products are harmful to human body because they can contain heavy metals and radioactive elements. But plants in the presence of these elements develop quite actively. This opinion is partly true. Cluster harmful substances in plant tissues is possible when the level of application of such fertilizer to the soil is exceeded, that is, if more than 5% of the total soil volume is applied.

Coal derivatives are used everywhere and are of agricultural importance for farmers in many countries. Unlike wood, it contains large quantity calcium, sodium and copper salts and less - potassium and phosphorus. Therefore, coal combustion products are indispensable when applied to acidified soil areas to normalize their acidity, especially when planting and. Nightshade crops from such a fertilizer are saturated with copper, which resists late blight.

Subject to the norms for the introduction of coal ash and not to overdo it in this matter, the accumulation of harmful substances is not observed, which means that it is not capable of causing damage to the human body.

More information can be found in the video:

Charcoal , is a product of wood charring without air access. It is industrially produced and widely used in metallurgical industry.
But besides the main application, it is widely used in other areas, including horticulture and indoor floriculture.

Charcoal is a porous black mass that has retained the structure of the tree. The density and color of the mass may vary depending on the type of wood used to make the coal.
One of unique properties this material is high ability to water absorption (hygroscopicity). In addition, it is able to absorb various impurities from water, purifying it. In addition, coal is a good antiseptic.

Application in indoor floriculture

In indoor floriculture, charcoal is used in several ways:

The roots damaged during transplantation or division of the bush are processed with crushed charcoal to avoid their decay;
Coal is added to the composition of the soil for planting those plants that are afraid of excessive watering. For example, cacti, succulents, orchids. In the event of a flood, the coal will absorb some of the moisture and the plant will not suffer;
When rooting cuttings in water, it is useful to put a piece of charcoal in the water, which will prevent the appearance of putrefactive bacteria in the water;
When rooting cuttings in the ground, the cut is processed with charcoal to prevent decay;
When a part of a plant rots, a cut cleaned to a living tissue is sprinkled with charcoal.

For floricultural purposes, charcoal is purchased in flower or gardening stores, packaged in small bags or briquettes.

When using coal, one should not forget that it must be stored in an airtight container without moisture access, that is, either tightly wrapped in polyethylene or stored in a jar with an airtight lid, since after the coal has been in the air for some time, it loses its valuable properties.

If you don't have charcoal on hand, you can use regular pharmacy activated charcoal sold in tablets. Also in many stores you can find large packages of charcoal (an example can be seen above, in the photo) - they are not expensive, it is not difficult to find them.

The use of charcoal as fertilizer for the garden was invented by the Indians. South America. To get the right substance, they burned trees in the jungle. The resin did not burn at high temperatures, but hardened and formed a crust on the burnt coals. The layer of ash that covered the soil after the conflagration contributed to the rapid absorption of nutrients by plants.

Charcoal is the remains of a tree obtained after the combustion of raw materials with minimal access to oxygen.

At home, it is done like this:

Wood is poured into an iron barrel.
Raw materials are set on fire and wait until the fire burns out completely.
The remaining blackened pieces are removed from the container and used for their intended purpose.

This tool has a number of positive qualities. It is capable of:

be stored for a long time without entering into chemical reactions and not decomposing;
absorb a large amount of liquid and aluminum oxides (it is a good absorbent);
convert the nitrogen contained in the air into forms available for absorption by plants;
regulate soil moisture due to water absorbed during rains;
activate the topsoil biosphere.

Due to the porous structure of the coal fertilizer:

has a small weight;
able to feed impressive areas with a minimum amount.

Useful properties of charcoal in agriculture

Wood ash has long been used as fertilizer in the fields. With coal, everything is different: it began to be used for this purpose several decades ago. Florists and vegetable growers who used this tool on their household plots, noted that plants growing on the beds fertilized by him bear fruit better, tolerate dry periods well.

Fertilizing garden beds with ash and charcoal is beneficial because they:

cheaper than fertilizers of chemical origin;
completely harmless to humans and animals;
can be applied to the soil for several years in a row;

Other positive traits top dressing:

In case of a small overdose, green spaces will not be affected.
Plants sprayed with an infusion of coal dust and ash are less susceptible to fungal diseases.
It has good protective properties. Plants powdered with dust and beds sprinkled with crumbs stop attacking harmful insects.

Soil moisture regulation

Charcoal absorbs moisture very well. Due to the ability to absorb excess water, it saves the root system of garden crops from rotting during the rainy period. When the rains give way to drought, the pieces of coal give the moisture accumulated in them back into the soil. Absorbing liquid, coal regulates soil moisture.

On the coal crust formed by the caked resin, useful substances accumulate, which are later absorbed by root system plants along with water. The introduced absorbent helps to improve the quality of the soil, increase its friability.

Protection against weeds and pests

Coal ash is also used to combat harmful insects. Ash solution is not only a cheap fertilizer, but also effective remedy from larvae and beetles.

A preparation is prepared from ash or sifted coal dust as follows:

Two liters of boiling water pour 300 g of the main raw material.
The solution is boiled for 30 minutes.
The resulting product is diluted with 8 liters of water.
50 g is added to the composition laundry soap and a handful of tobacco ash.

The finished product is sprayed with horticultural and horticultural crops in evening time. Charcoal ash potion helps get rid of:

colorado potato beetle;
ticks;
slugs
whites;
wireworm;
midges;
ants.

This mixture will help save the onion from onion fly, and cabbage beds - from the cruciferous flea. Berry bushes sprayed with an ash potion will receive protection from:

sawfly;
moths;
powdery mildew.

Strawberries and cabbage can be treated with dry ash. Dusting will help protect garden crops from slugs and fleas. The coal agent is environmentally friendly, does not harm the health of people who will eat the fruits of processed plants.

The use of charcoal in the garden

The substance in question is used to increase the fertility of humus. The amount of fertilizer applied to the soil depends on the composition of the soil in a particular household plot.

In some American states, such a method of cultivating the soil is practiced, in which the amount of coal additives used reaches 45-50% in relation to the surface of the cultivated land plot.

Application area

The high-carbon product absorbs moisture and prevents nutrients from being washed out of the soil. This tool must be scattered on the fields located in the immediate vicinity of water bodies. Coal additives keep mineral fertilizers on the site and prevent pollution of nearby lakes and rivers.

On the warm garden and in flower beds, a layer of charcoal allows you to "pull" excess moisture from the root system of plants. It is recommended to lay it at the very bottom. Layers of coal pieces and ash shift:

chicken manure;
manure;
compost.

For the drainage layer in greenhouses and greenhouses use large pieces coal. Coal fertilizer, scattered on the beds, should have a fraction of 3 to 7 mm. Solutions and infusions are prepared from ash and dust residue.

Charcoal is used as fertilizer and protection indoor plants. Flower growers can purchase coal mixture of suitable quality in specialized stores. Ash is also obtained independently by burning suitable raw materials.

Charcoal can be added to the bottom seedling boxes. Here it will work as a drainage and fertilizer at the same time, and will also protect plantings from putrefactive bacteria. Coal dust is used to stimulate the germination of seed. To do this, a layer of raw materials is watered warm water. After the liquid is completely absorbed, seeds are laid out on a coal pillow.

When and how to fertilize the soil?

Charcoal ash as a fertilizer is added to the soil when planting plants that do not tolerate high humidity soil (cacti, orchids).

The ash left after burning coal is used to dust the leaves of garden crops (eggplants, cucumbers). This measure helps to protect the crop from pests.

Loamy soils are fertilized in autumn with coal dust and ash. Top dressing is evenly scattered over the surface of the beds at the rate of 3 kg per 1 hundred square meters of land.

The best result is observed after the application of fertilizers together with ammonium nitrate and organic matter.

A garden with clay soil is evenly sprinkled with ash, coal, compost, manure, and then dug up so that all fertilizers are covered with a layer of soil 10 to 20 cm thick.

In the south of Russia, in the Salsky steppes, there is a hot and arid climate, so the earth cracks in summer and becomes covered with a thick crust after watering. Charcoal here needs to be buried to a depth of 10-15 cm: under these conditions, it will help retain moisture and act as a baking powder for the soil.

Not to be washed away by the rain nutrients, fertilizers are applied before the start of frost.

Finely crushed coal is used in dry form, and solutions are prepared from coal dust. Raw materials are stored in a place protected from moisture.

Coal contains impurities that are harmful to plants in their pure form. When interacting with oxygen, sulfites are oxidized and acquire safe forms.

Coal components should not exceed 5% of the total usable area soil.

Other types of coal fertilizer

AT agriculture ash from burnt coal is used as a fertilizer:

stone;
woody;
brown.

Hard coal is not used as a fertilizer; the ash left after its combustion is suitable for this purpose. Slag and ash contain calcium necessary for the active growth of plants.

Almost half of coal ash consists of silicon oxides. It is used as a baking powder for heavy clay soil. Ash from coal as a fertilizer helps to increase productivity, improves soil quality, and regulates its moisture content.

This type of fertilizer is unacceptable for soil with a high content of acidic compounds. As a result of the interaction of substances that make up ash and oxygen, they are converted into sulfates, which contributes to an even greater increase in soil acidity.

Coal ash as a fertilizer is used in combination with organic matter (chicken manure, mullein).

Brown coal ash is obtained after its combustion. This substance is formed when high pressure is applied to raw materials of plant origin.

The application of ash fertilizers reduces the acidity of soils and increases the saturation of the soil with minerals:

phosphorus;
calcium;
potassium.

Coal crumb with ash improves the structure of the soil and enriches it:

boron;
manganese;
copper;
molybdenum;
gray;
zinc.

The use of ash and coal as a fertilizer for the garden helps to increase the yield of almost all crops. Charcoal powder stimulates the activity of beneficial microorganisms and prevents the leaching of necessary for garden plants elements.