Pattern of nitrogen fixation in green manure crops [Sesbania, cowpea, Guar]
1985
Sidhu, A.S. | Aggarwal, G.C. | Singh, N.T. (Punjab Agricultural Univ., Ludhiana (India). Dept. of Soils)
It was observed that all the crops increased in soil N content. The excretion of N from roots into the soil adhering to the roots increased with increase in crop age. Maximum N was fixed by Sesbania and minimum by cowpea. For harvesting maximum nitrogen, sesbania should be allowed to grow for maximum feasible time
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