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.
研究施钾和秸秆还田对华北地区不同种植制度下作物产量和耕层土壤钾素状况的影响。
Effect of application of K fertilizer and wheat straw to soil on crop yield and status of soil K in plough layer under different planting systems was studied.
结果表明，秸秆还田与增施有机肥具有明显的节水增产效应。
The result showed that straw incorporation and organic fertilizer application could increase yield and save water clearly.
采用田间小区试验研究了绿肥全部还田条件下不同施氮水平对烤烟生长发育以及烟叶产量、产值和品质的影响。
Field experiment was carried out to study effect of different nitrogen rate on growth, yield and quality of flue-cured tobacco when applying green manure to soil.
在豫东烟区研究了烟田配施有机窝肥对烤烟生长发育及产量质量的影响。
The paper studied the effect of applying organic residues as nest-fertilizers on growth, yield and quality of flue-cured tobacco in eastern of Henan.
有机、无机物料配施和秸秆还田是快速提高南方红壤地区不同母质土壤有机质含量的重要措施。
Suggesting the combined application of organical and chemical fertilizer and straw returning is the most effective measure to in crease soil organic matter.
结果表明：与NPK处理比较，玉米秸秆还田配施低量N肥没有显著促进黑土有机碳的积累。
The results showed that maize straw returning field combined low amount N did not promote the accumulation of organic carbon significantly, as compared with NPK treatment.
节水技术应优先发展耕作保墒、增施有机肥与秸秆覆盖还田技术、农业高效用水技术体系等。
The order of the development of water-saving technologies is: farming measure, organic farming with straw mulching technology, agricultural water technology system, etc.
施钾能使轮作周期中的钾平衡系数达到0 95 ，施钾且小麦秸秆还田能使轮作周期中的钾平衡系数达到1 1 5。
The Potassium balance coefficient reached 0.95 with the application of Potassium, and 1.15 with Potassium application and straw return…
施钾能使轮作周期中的钾平衡系数达到0 95 ，施钾且小麦秸秆还田能使轮作周期中的钾平衡系数达到1 1 5。
The Potassium balance coefficient reached 0.95 with the application of Potassium, and 1.15 with Potassium application and straw return…
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