farmer use chemical fertilizers to increase the yeild of crops and pesticides to save the from pest. 1 why is this is not a good practice ? what are the ill effects ? 2 what alternative do they have ? 3 increased use of chemical fertilizers is not advisable why? 4 name the biological phenomena association with accumulation of pesticides of food chains ?
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1. because it destroys the ferlitly of soul
2. they cana use manure cow dung
3.
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