1.
Effects of Different Rational Ratio of N,P,K Fertilizer and Amount of N Fertilizer on Photosynthesis Character and Yield of Rice
氮磷钾配比及氮用量对水稻光合特性及产量的影响
2.
Studies on Nitrogen Requirement and Nitrogen Utilization Efficiency of Hybrid Rice in Nanchang
南昌杂交稻需氮量与氮利用率的研究
3.
Effects of the Amount of Basic and Tillering Nitrogen Applied on Absorption and Utilization of Nitrogen in Rice
氮素基、蘖肥用量对水稻氮素吸收与利用的影响
4.
The nitrogen utilization efficiency were downtrend with the amount of topdressing increased.
随著施氮量增加，追施氮肥的利用率明显下降。
5.
Effects of Mg on C and N Metabolism of Soybean at Different N Levels;
不同氮肥用量下镁对大豆碳氮代谢的影响
6.
Study on the Utilization of Water and Nitrogen and the N-Fertilizer Balance under Water Saving Irrigation;
节水灌溉水稻水氮利用与肥料氮量平衡研究
7.
Discussion for Determination of Nitrogen Contend in ABS Resin by Full Automatic Azotometer
应用全自动定氮仪测定ABS树脂氮含量的探讨
8.
Characteristics of nitrogen utilization under different nitrogen strategies of potato
不同施氮量对马铃薯氮素利用特性的影响
9.
Relationship between Microbial Biomass Nitrogen and Nitrogen Utilization of Maize
土壤微生物量氮与玉米氮素养分利用关系研究
10.
Effect of nitrogen levels on absorption and utilization of nitrogen and yield of soybean
施氮水平对大豆吸收利用氮素及产量的影响
11.
Effect on the Yield of Artemisia annul using Different Amount of Fertilizer of N,P,and P
不同氮磷钾用量对黄花蒿产量的影响
12.
Effect of Combined Application of Organic and Inorganic Fertilizer on Soil Microbial Biomass Nitrogen and Nitrogen Cycle;
有机无机氮源配合施用对土壤微生物生物量氮及氮素循环的影响
13.
Effect of N Rates on Yield of Spring Wheat,Fertilizer N Recovery and N Balance
不同供氮水平对春小麦产量、氮肥利用率及氮平衡的影响
14.
Effects of Nitrogen Application Rate on Nitrogen Absorption,Translocation and Fertilizer-nitrogen Use Efficiency in Japonica Rice Cultivar Nanjing 44
施氮量对南粳44氮素吸收运转及氮肥利用效率的影响
15.
Influence of nitrogen fertilizer rate on carbon-nitrogen metabolism and nitrogen use efficiency of summer maize under high and medium yield levels
施氮量对不同肥力水平下夏玉米碳氮代谢及氮素利用率的影响
16.
Effect of Combined Use of Organic and Inorganic Nitrogen Fertilizer on Rice Yield and Nitrogen Use Efficiency
有机氮部分替代无机氮对水稻产量和氮素利用率的影响
17.
Effects of nitrogen fertilizer application and irrigationlevel on soil nitrate nitrogen accumulation and water and nitrogen use efficiency for wheat/maize intercropping
水氮量对小麦/玉米间作土壤硝态氮累积和水氮利用效率的影响
18.
Influence of nitrogen rates with split application on N use efficiency and its eco-economic suitable amount analysis in rice
分次施氮对单季稻氮素利用率及生态经济适宜施氮量的影响