15
a)
Improvement in food Resources
why are mature and fertilizer used in field
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Explanation:
FERTILISERS ARE USED IN FIELD TO INCREASE THE GROWING OF CROPS AND THE FARMER CAN GROW MORE CROPS ONCE IN A YEAR AND EARN MORE. BUT FERTILISERS ARE ALSO HARMFUL TO THE SOIL. IT DECREASES THE FERTILITY OF THE SOIL.
ON THE OTHER HAND, MANURES ARE USED TO INCREASE THE FERTILITY OF SOIL. IT IS VERY GOOD FOR THE SOIL AND CROPS.
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