Which of the following is not a principal of crop rotatio...
Which of the following is not a principal of crop rotation?
Deep-rooted crops should be followed by shallow rooted crops
A period of fallow must be provided in the cours of the rotation
A leguminous crop should be included in the system
Crops that can be attacked by the same pest should not follow each other
Correct answer is B
No explanation has been provided for this answer.
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