Q: The waterlogged soils are rendered infertile because of : जलग्रसन मृदा अनुपजाऊ होती है क्योंकि– 1. Lack of aeration/वातन की कमी 2. Reduced soil temperature/मृदा ताप का कमी 3.Weed growth/खरपतवार की वृद्धि 4. Enhanced soil erosion/मृदा का बढ़ा क्षरण
A.
Only 1/केवल 1
B.
1 and 2/1 और 2
C.
3 and 4/3 और 4
D.
1, 2, 3 and 4/1, 2, 3 और 4
Correct Answer:
Option B - .
B. .
Explanations:
.
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