name three natural method of adding nutrients to soil
Answers
1. Eathworms. They are farmers friend and makes soil fertile while burrowing through soil making the soil nutritious.
2. Raindrops sometime makes holes in soiles and helps in resulting in self fertilisation.
3. Left over manure can help in naturally fertilizing the soil.
Answer:
Field fallow, crop rotation and mixed cropping are three natural methods of replenishing the nutrients of the soil. These natural methods are not enough and farmers have to resort to manures and fertilisers
Explanation:
The natural methods for adding nutrients to the soil are
1) Field fallow - field which is normally utilised for growing crops are left without sowing for a season so as to gain soil nutrients.
2) Crop Rotation - different crops uses different nutrients from the soil. If we keep growing same crop in a field soil will loose of the nutrients. So there is need for crop rotation so that nutrients are replenished from time to time.
3) Mixed cropping - it reduces insect pests and weeds and replenishes the soil nutrients.
4) Adding vegetable and fruit peels to the soil - burying vegetable and fruit peels to the soil also replenishes the nutrients of the soil.
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