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Effects of different application modes and rates of controlled release urea on fertilizer nitrogen use efficiency and grain yield of summer maize. Effect of different N application modes in the first cropping rice on the physiobiochemistry of the first cropping rice and its ratoon rice Effect of different nitrogen application modes on root growth,rhizosphere soil characteristics and rice yield under no-tillage Effect of fertilizer application mode on edaphon in black soil in Songnen Plain Effects of Nitrogenous Fertilizer Application Model on Culm Lodging Re-sistance in Winter Wheat EFFECTS OF MODELS OF APPLYING NITROGEN FERTILIZER
ON NUTRITION ACCUMULATION OF SPRING MAIZE