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Subject :NSO    Class : Class 8

Which of the following is not true?

A Rotation of crops improves the fertility of soil.
B Rotation of crops saves a lot of nitrogenous fertilizers.
C Rotation of crops helps in the weed control and pest control.
D Rotation of crops helps in mixing of nutrients uniformly.

Ans 1:

Class : Class 9
I don't understand the ANSWER as it also helps in mixing the nutrients uniformly in the soil.

Ans 2:

Class : Class 6

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