1.
Mechanism of Soil N Supply in Paddy Soil and Reaching Optimal N Application for Rice;
稻田土壤供氮机理及水稻氮肥优化施用研究
2.
Study on the Effects of Nitrogen, Phosphorus and Potassium Optimum Fertilization on Export Broccoli Production;
出口青花菜氮磷钾优化施肥效应研究
3.
Studies on Nitrogen,Phosphorus and Potassium for Mulation Apply Fertilizer of Hubei Maidong;
湖北麦冬氮、磷、钾优化配方施肥研究
4.
Sum-Up of Implementation of Projects for Energy System Optimization in Nitrogenous Fertilizer Production
氮肥生产能量系统优化项目实施总结
5.
Study on Nitrogen Application for High Yield and Excellent Quality in Chinese Cabbage
小白菜高产优质高效施用氮肥的研究
6.
Dynamics of nitrogen in double-rice paddy soil under application of chemical fertilizer combined with manure
化肥有机肥配合施用下双季稻田氮素形态变化
7.
Where they do use chemical fertilizer, they tend to use nitrogen only, thereby mining the soils.
使用化肥时，只施用氮肥，从而其它养分逐渐耗竭。
8.
Characteristic of Nitrogen Use Efficiency of Central Food Crops under Long-term Fertilization;
长期施肥下我国粮食作物氮肥利用率变化特征
9.
Study on the Nutritive Characteristics and Optimum Application of Waxy Corn in Hainan;
海南糯玉米氮、磷、钾营养特性与优化施肥研究
10.
The nitrate form commonly dominates where liberal nitrogen fertilization is practiced.
施用足量氮肥的土壤，通常硝酸钙占优势。
11.
Effects of Nitrogen & Silicon Rates and Silicon Application Pattern on Plant Development and Physiology of Liangyoupeijiu;
氮硅施用量及硅肥施用方法对两优培九生长及生理的效应
12.
This seems to be its main advantage for irrigated wheat over applying all the N before planting.
这似乎是灌溉田小麦分施氮肥比播种前一次施用所具有的优点。
13.
Impact of Long-term Chemical Fertilizer Application on Nitrogen, Phosphorus and Enzyme Activities of Black Soil;
长期施用化肥对黑土氮、磷及酶活性的影响
14.
The experimental analysis of nitrogen fertilizer’s best application amounts on rice
氮素化肥在水稻上最佳施用量试验结果分析
15.
Nitrogen Utilize and Damnify as well as Optimized Management of Nitrogen Fertilizer Applied to Vegetable Field of Greenhouse in Taihu Lake Region;
太湖地区大棚蔬菜地化肥氮利用和损失及氮素优化管理研究
16.
Research and Application of Advanced Control and Optimization for Small-scale Ammonia Synthesis Plant;
小氮肥氨合成装置先进控制与优化研究与应用
17.
Effects of Chicken Manure and Chemical Fertilizer Application on Soil Fertility and Transfer of Soil N and P in Rice-wheat Rotation Systems
施用鸡粪和化肥对稻麦轮作农田土壤肥力和氮磷迁移的影响
18.
Study on Absorption and Distribution of Nitrogen, Phosphorus, Potassium and the Optimum Fertilization Scheme of Onion;
洋葱对氮磷钾吸收分配规律及优化施肥方案研究