Q6. Give two examples of each:-
a. Traditional method :-
b. Modern method :-
Q7. What are the disadvantages of excessive use of fertilizers?
Ans.
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Answer:
Q6.
a. check besin irrigation, furrow irrigation.
b. drip irrigation, surface irrigation.
Q7. • Excess of water in soil leads to water logging.
• Sometimes, it inhibits the process of germination.
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Explanation:
Traditional methods
in this method people use old method to grow crops. they use old tools, natural fertilizer and old seeds.
Modern method
in this method people use chemical fertilizer,advanced technology tools like tractor,and hyv seeds on field.
when we use excessive chemical fertilizer on land it loses the fertility of land, pollute soil and water and it can also harm us if we eat fruits and vegetables without wash because sometimes fertilizer stick on fruits and harm us.
it also aquatic animals.
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