3. Why is the use of biopesticides encouraged over chemical pesticides
4. What is mulching and its advantages ?
5. Name the grains which are termed millets
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Explanation:
Chemical pesticides cause soil degradation by pollution that decrease quality, nutritious value and productivity of crops for long time. Biopesticides are encouraged over chemicl pesticides because biopesticides are organic and made up of animal dung,straw,leaves,etc.
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Answer:
Biopesticides are natural and don't harm the plants and enrich soils with nutrients. This is why they are encouraged over chemical pesticides.
Mulching is the process in which the mulch is applied on the layer of soil to conserve the health of the soil, keep it healthy etc...
Pearl mellec, thinai, Bajra, johar, Sorghurm are some of the millets..
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