Though fertilisers increase crop production , they are to be used in limited amount.why?
Though fertilisers increase crop production , they are to be used in limited amount because:-
i)It damages the soil if used excessively.
ii)it cause water pollution
iii)manure increases humas in soil but fertilisers dont
iv)it have short term benifits
v)They create toxicity in the surrounding environment.
vi) They pollute the soil resources.vii) Excess use of chemical fertilizers can result in severe health problems, such as endosulfan.
- viii)Natural fertilizers are slow to break down into the nutrients the growing garden requires.
- ix)The excessive use of nitrogenous fertilizers concentrates nitrates in the soil and water.