A) Delbergia sissoo
B) Polyalthea
C) Sesbania aculeate
D) None of the above
Correct Answer: C
Solution :
In green manure quickly growing crops are cultivated and ploughed into the soil which can increase crop yield by 30-50 percent. Some common green manuring crops are Sesbania, culeata, Cyamopsis, Tetragonoloba, Crctolaria juncea, Vigna sinensis, Lens esculenta, Macrotyloma uniflorum etc. Green manuring has following advantages It adds organic matter and nitrogen to the soil. It increases the availability of plant nutrients.
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