What is nitrogen use efficiency?
Nitrogen use efficiency or NUE is the efficiency with which various cultivars or cultivated varieties of a crop use nitrogen. It is determined as the fraction of applied nitrogen that is actually absorbed and used the plant. Increasing NUE will increase the environmental sustainability of a cultivar as it reduced the wastage of nitrogen fertilizers. Recently, Indian scientists have identified identifiable features called phenotypes of rice cultivars that determine NUE.
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