18 Oct 2012

Evaluation of In-season Nitrogen Management for Summer Maize in the North China Plain


Field experiments tested N fertilizer at different rates and ratios of basal:topdress application. A total N rate of 120 to 180 kg/ha was shown to maximize grain yield and, with split application, reduce N inputs by 25 to 50% compared to typical farm practice within the North China Plain.

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