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Agriculture · Q848

Agronomy

Graduate and Post Graduate · Agriculture · question 848

Q848

Which one of the following crop rotation is the best for maintaining soil fertility

A.
Maize - Toria - Wheat
B.
Paddy - Wheat - Cowpea
C.
Paddy - Potato - Greengram
D.
Soybean - Wheat - Greengram
Answer

Answer: Option D

Solution

Answer: Option D
Solution:
Rotation of crops is a cultivation practice that is very good for maintaining soil fertility. Out of the following options, Soybean - Wheat - Greengram is the best crop rotation crop. Legume crops help in recharging the nitrogen content of the soil and sustain soil fertility without the need of applying fertilizers.