2000•Jilin Agricultural SciencesRequires access

Study on the Relations between Commensally Nitrogen Fixation and the Total Nitrogen Content of Leaves in Soybean

Song Hai

Abstract

The nodule′s growth,nodule nitrogenase activities and the total nitrogen content of leaves were researched in soybean under different proportion of NO 3 --N and NH 4 +-N fertilizer.The results indicated that seven proportion of NO 3 --N and NH 4 +-N reduced fresh nodule weight and inhibited activity of nodule nitrogenase,but increased the total nitrogen content of leaves.The negative correlation between the total nitrogen content of leaves and fresh nodule weight,nodule nitrogenase activity were significant respectively.

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Key concepts: Nitrogenase, Nitrogen fixation, Nitrogen, Nodule (geology), Positive correlation, Agronomy, Chemistry, Horticulture