1.
The effects of elevated atmospheric CO_2 concentration on wheat straw decomposition and nitrogen distribution in paddy soil
大气CO_2浓度升高对稻季土壤中麦秸降解及氮素分趋的影响
2.
Study on impact factors and its researching trend of soil nitrogen mineralization
土壤氮素矿化的影响因子及研究趋势
3.
Analysis of High Nitrogen Steels Refining Factors With High Pressure and Bottom-Blown Nitrogen
高压-底吹氮法高氮钢精炼因素分析
4.
blood urea-nitrogen analyzer
血尿素-氮气分析仪
5.
Market analysis and development trend ofthe catalysts used in the middle scalenitrogenous fertilizer plants inland;
我国中型氮肥厂催化剂市场分析及发展趋势
6.
Efficiency Use of Nitrogen Fertilizer in Summer Maize and Annual Soil-Plant N Balance under Wheat-Maize System;
夏玉米氮肥高效利用机制研究及周年氮素分析
7.
Study on Water and Nitrogen Use Characteristics of Aerobic Rice under Different Water and Nitrogen Conditions;
不同水氮条件下旱稻水分与氮素利用特征研究
8.
Effects of Water and Nitrogen Fertilizer on Growth and Nitrogen Metabolism of Maize Seedling;
水分—氮素对玉米苗期生长及氮代谢的影响
9.
Effects of Topdressed N-Fertilizer on Translocation and Distribution in Soybean Plants
追施氮肥对大豆体内氮素运转与分配的影响
10.
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
11.
Effects of the Final and Different Stage of Nitrogen Application on the Nitrogen Distribution and Using Efficiency of Sugarcane;
不同施氮时期和施氮终止期对甘蔗氮素吸收分布影响的研究
12.
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
13.
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
14.
Effects of Dirrerent Nitrogen Form and Water Stress on Nitrogen and Photosynthetic Physiology of Rice(Oryza Sativas L.);
不同氮素形态及水分胁迫对水稻氮素与光合生理的影响
15.
Studies on the Relationship between the Nitrogen Distribution and the Nitrogen Physiological Efficiency in Oilseed Rape;
油菜体内氮素再分配与氮素生理效率的关系研究
16.
Effects of Nitrogen on the Growth and N Uptake of Rice under Different Water Conditions;
不同氮素形态、水分状况对水稻生长及氮素吸收的影响
17.
Effects of NH_4~+/NO_3~-ratio on nitrogen distribution,photosynthetic parameter and yield of potato
不同形态氮素比对马铃薯氮素分布、光合参数及产量的影响
18.
Characteristics of nitrogen distribution in rapeseed(Brassica napus L.) with different nitrogen utilization efficiency for grain production
甘蓝型油菜不同氮素子粒生产效率品种的氮素分配特性研究