EFFECTS OF KITCHEN ash on plants - VNT CHEMICAL

What are the effects of wood ash on plants? How effective is it? This is a question that not everyone knows. Wood ash is what remains after burning wood in the kitchen, fireplace, or burning straw, paper... Using wood ash to fertilize plants is really a smart thing to do. Let's learn about the effects of wood ash on plants in this article with Vntradimex!

What are the effects of wood ash on plants?

What is wood ash?

Wood ash is a natural fertilizer source that is quite familiar to Vietnamese people. In the countryside, we use firewood, wood, straw, stubble, etc. to burn for cooking. After burning, the remaining products are white, gray-black substances, etc. Those things are called ash.

Wood ash has long been considered by farmers as a source of natural inorganic fertilizer of the best quality and best for plants. They can provide a relatively large source of nutrients to help plants grow.

We can completely use wood ash as fertilizer for our plants to help them grow naturally. However, not everyone knows the specific effects of wood ash and how to apply it in what proportion.

What is wood ash?

The effect of wood ash on plants

Wood ash is used quite commonly by people and has a great effect on plants. What effect does wood ash fertilizer have on plants? Below are the common effects of wood ash:

1. Wood ash – Natural fertilizer provides nutrients for plants

Ash contains nitrogen (N) in the form of compounds. In addition, ash also contains many other chemical elements that are very scarce for plants such as potassium (K), magnesium (Mg), iron (Fe), calcium (Ca), phosphorus (P), boron (Bo), sulfur (S) ...

Using wood ash can replace some types of fertilizers such as phosphorus and potassium fertilizers. When preparing the soil, mix 100g of ash (1 cup) per 1m2 to replace 1 spoon of potassium sulfate. When applying ash, plants are provided with more Boron.

Many people recommend applying ash when tilling the soil, however, if you apply too much ash, it will harm some microorganisms in the soil such as natural worms, because the ash creates an alkaline environment. You can dissolve the ash with water, 1 cup of ash + 1 bucket of water and water 1-2m2 as a top dressing.

Charcoal ash and straw ash are different. In 100g of charcoal ash contains 0.35g of phosphorus; 1.35g of potassium; 1.13g of calcium. The composition of straw/wheat/barley ash contains more substances than wood ash.

What nutrients does wood ash provide for plants?

2. Wood ash helps prevent pests and diseases for plants

Ash itself does not kill pests, but ash creates a “tough” environment for pests, making the leaves rough and tough.

To prevent pests, to kill some types of pests, you can spray water extract for 1 day (100 grams of ash per 10 liters of water).

Regularly fertilizing plants with ash increases their resistance to climate change and disease. The leaves of plants fertilized with ash are also tougher, making it difficult for aphids and leaf-eating worms to eat them.

3. Preserving vegetables and fruits and preventing fungal diseases

Another use of wood ash is to preserve vegetables and prevent fungal diseases.

In Central Africa, people often use wood ash to preserve tomatoes to help them last longer without affecting the quality.

4. Helps seeds germinate evenly and helps seedlings grow strong

Soak seeds in ash water (1 teaspoon ash + 1 liter of water) before sowing to help the seeds germinate more evenly and the seedlings become stronger. After collecting the seeds, use this water as fertilizer for the plants.

5. Ash helps improve soil structure and enrich compost composition.

One effect of wood ash on plants that cannot be ignored is that it helps improve the soil and enrich the compost. When ash is combined with organic compost, it will increase the nutritional content when fertilizing plants. It is a great addition to your compost bin. At the same time, using ash will help increase soil fertility.

What effect does wood ash have on plants?

Experience in fertilizing plants with wood ash

Depending on many factors such as plant variety, growth period, soil structure and cultivation intensity, we have effective ways to apply wood ash.

1. Soil type

Wood ash is alkaline, so it is necessary to determine the type of soil to apply the appropriate fertilizer. The amount of ash to apply to each type of soil is different:

- Soil with acidity needs to be limed before applying wood ash

- Soil with little or no acidity, if applied with wood ash, will easily become acidic.

- Light loam soil mixed with sand needs to be applied with more wood ash than the plant needs

- Soil with plowing or that has been applied with a lot of manure should only be applied with a little wood ash.

- Soil with clay or fallow soil should also only be applied with a little wood ash.

The effect of wood ash on plants

2. Plant varieties

Similar to soil types, each plant variety needs a different amount of wood ash.

- Root and fruit plants can be fertilized with a lot of wood ash

- Legumes and potatoes can be fertilized with a lot of wood ash

- Seed plants should only be fertilized with a moderate amount of wood ash

- Plants such as jute, flax, cucumbers or fiber plants need a high amount of wood ash.

In addition, the need for wood ash for crops needs to occur more during the growth and flowering and fruiting period. Moreover, when fertilizing with increased nitrogen, it is also necessary to add wood ash and micronutrients such as iron, zinc, phosphorus, etc.

Some notes when using kitchen ash

To get the most effective effect of wood ash on plants, farmers should pay attention to some issues when using wood ash:

- Do not overuse wood ash, because it can harm the beneficial organisms in your soil.

- Apply wood ash many times to avoid leaching. During the crop season, farmers should not focus on applying it once when sowing seeds or during the growth stage.

- Wood ash can be used as a base fertilizer by mixing it into the soil before planting.

- In addition, when applying wood ash to plants, farmers should also combine it with other types of fertilizers to provide the best nutritional content for plants.

Wood ash is a natural fertilizer that is quite popular among people. The effect of wood ash on plants will be even more effective when combined with other types of fertilizers. Hopefully, the article will bring readers useful information.

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