Simple 4 Ways of How to sterilize large amounts of soil
- 1 How to sterilize large amounts of soil
How to sterilize large amounts of soil
How to sterilize large amounts of soil in the seedbed is an important question from the gardener. When we sow seed in a seedbed in our garden, it is seen that some seeds do not germinate at once. After sowing some seeds collapse and die. Because there are billions of germs on the soil of the seedbed. Some of these microbes that are beneficial to plants. Some of these are harmful to plants. Among them, fungus such as Fusarium, Rhizoctonia, Pythium, Cercospora, etc., damage the seedling.
Moreover, there are some pathogens that are attached to the body of the seed. When they germinate then they become active and attack the seedling. As a result, the seedling collapse or burnt and finally die. There are a lot of insects in the soil, for example, termite, ant, caterpillar, field cricket, mole cricket, etc. damage and cut the root of seedlings. Seed Borne pathogen or many types of fungi, and insects that remain in the soil of seedbed damage the seedlings. Destroy these pathogens, fungi, and insects and making a suitable condition for growing healthy seedlings is called seedbed sterilization or soil sterilization.
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How to sterilize soil: Methods of seedbed soil sterilization
There are some questions in our mind that how to sterilize soil without baking, how to sterilize soil with steam, how to sterilize soil with hydrogen peroxide, how to sterilize soil with chemicals, how to sterilize soil with boiling water, how to sterilize soil to kill weeds, how to sterilize soil in the sun, etc. There are various methods of how to sterilize large amounts of soil. Among these some are pricey and some are cheap. Some methods are responsible for environmental pollution and some are safe for the environment.
Types of soil sterilization
Seedbed soil sterilization methods are five types, for example (1) mechanical, (2) biological, (3) chemical, (4) care and cultivational, and (5) prevention by law.
Mechanical method: How to sterilize soil with steam
Firstly pick out the upper layer of soil of the seedbed into 10-15cm in-depth and then heat the soil on a big saucepan which works for sterilization of the soil. In this soil sterilization required time is one hour. Besides, the porous pipe should be used for partial sterilization. Porous pipes are let in the soil and heated vapor should be applied in them.
The same vegetable or crop seeds should not be sown every year at the same place or under the same seedbed. Occasionally some seed germs can be released by planting marigold flowers and mixing it on the ground such as nematodes. Besides mixing the neem leaves, and powder of tobacco with the seedbed soil release some seed germs such as termite, ant, etc.
Chemical method: How to sterilize soil with chemicals
There are different chemicals for seedbed sterilization by chemical products. For example,
- Methyl bromide
Formaldehyde: Generally 1-liter commercial formaldehyde should be mixed with 50 liters of water. Each 1 square meter of seedbed needs 12 liters of the mixture of formaldehyde and water.
Tilling method: How to sterilize soil in the sun
Tilling of seedbed soil sterilized by the heat of sunlight. It is the cheapest and most effective method of sterilizing a large amount of soil. In this method, In this method, for sterilization, the seedbed should be well tilled and exposed to intense sunlight and it should be continued a few times. Besides, after a few times of well tilling of the entire seedbed should be covered with a white and transparent polythene sheet. After two or three weeks the sun gives light directly into the covered seedbed’s soil. This sunlight creates a heat into the seedbed soil and killed the harmful germs of soil.
In addition, in this situation of soil sterilization seed should not be sewn into the seedbed immediately because the covered area creates ammonia gas for rising of heat into the soil. The ammonia gas should be removed and that’s why the seedbed soil should be tilled well by a spade. Then the seedbed will be good for sowing seed and And it won’t be harmful.
I believe this article will help the gardeners who are facing the problem of how to sterilize large amounts of soil the seedbed.
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