探讨了小麦秸秆还田优化施氮、传统施氮等处理对夏玉米的株高、节根、叶面积、茎粗以及叶绿素含量等的影响；
We discussed the effects of different managements on height of summer maize, number of nodal root, leaf area, plant stem width and chlorophyll content etc.
结果表明，包膜尿素在基施情况下，田面水总氮浓度始终接近对照水平，通过径流损失的可能性很小。
Under base employ of the coated urea, the total N concentration of farm surface water was near the contract level, and the possibility via runoff was very little.
秸秆还田与氮磷配施可有效供应作物养分，是一种养分资源节约型的施肥制度。
Application of straw and chemical fertilizer could be regarded as a kind of nutrition-resources-saved fertilization system and could provide crop nutrition efficiently.
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