Q. 4 D4.1( 11 Votes )

Answer the following:

List some agricultural practices that help to maintain the fertility of the soil.

Answer :

Agricultural practices that help in maintaining the fertility of soil includes:


a) Crop rotation: Crop rotation is one of the best methods for maintaining the productivity of the soil. It involves growing different types of crops, belonging to different families in a sequence (monocot and dicot). It helps in keeping the insect population under check. Since the insects are host specific the pest of one species will not affect the other. Thus, if paddy which is infected by rice borer is rotated with legume plant, the rice borer will die of food unavailability in the subsequent year.


It also helps in the prevention of soil erosion.


b) Mixed cropping: In mixed cropping one or two subsidiary crops along with one main crop is cultivated. Utilization of soil nutrients is more efficient. Moreover, it provides security against crop failure.


c) Multiple cropping: In this type of cropping more than one crop is cultivated in a year.


Good irrigation facilities and short duration breeds are crucial for multiple cropping.


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