1.
A Study on Effects of N-fixing Bacteria Fertilizer under Different Soil Nitrogen Level;
不同施氮水平下固氮菌肥施用效果的研究
2.
The Effects of N Application Levels on N Use Efficiency in Rice Growth Stages and the Dynamic Variation of N Leaching in Paddy Field;
施氮水平对水稻生育期氮素利用率及稻田氮淋失动态的研究
3.
Study on the Photosynthetic Characteristic and Nitrogen Metabolism in Different Nitrogen Treatment of the Flue-cured Tabacco
不同施氮水平下烤烟光合特性和氮代谢的研究
4.
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
5.
Effect of Different Nitrogen Rates on Nitrogen Utilization and Residual Soil Nitrate of Spring Maize
不同施氮水平对春玉米氮素利用及土壤硝态氮残留的影响
6.
Dynamic simulation of ammonia-and nitrate N leakage from paddy field under different N supply
不同施氮水平下稻田铵态氮和硝态氮淋溶量的动态模拟
7.
Effects of nitrogen rate on nitrogen uptake and utilization of winter wheat and residual nitrate in soil under straw mulch
秸秆覆盖条件下不同施氮水平冬小麦氮素吸收及土壤硝态氮残留
8.
Effects of Different Nitrogen Levels on the Yield and Quality of Rice
不同施氮水平对水稻产量及品质的影响
9.
In the tiller stage, the nitrogen accumulation quantity of high nitrogen treatment was obviously higher than that of low nitrogen treatment, but it was reverce after the booting stage.
在同一施氮水平和施氮方式下，增施钾肥有利于提高生育后期对氮的吸收。
10.
Effects of Nitrogen Application on Its Absorption and Utilization of Two Winter Cultivars with Different Spike Types;
不同施氮水平对两种穗型冬小麦品种氮素吸收利用和产量的影响
11.
The Absorption and Utilization of Soil-and Fertilizer-nitrogen, Grain Yield and End-use Quality of Winter Wheat as Influenced by Nitrogen Fertilizer Rate;
施氮水平对小麦植株氮素吸收、利用和籽粒产量、品质形成的影响
12.
Effect of Nitrogen Fertilizer Rates on Nitrous Oxide Emission from Paddy Field Under Rice-Wheat Rotation
不同施氮水平对稻麦轮作农田氧化亚氮排放的影响
13.
Effects of nitrogen application rates on grain yield,soil organic carbon and nitrogen under a rainfed cropping system in the loess tablelands of China
施氮水平对黄土旱塬区小麦产量和土壤有机碳、氮的影响
14.
Effects of Nitrogen Rates on Brown Soil Nitrogen Status of Tobacco Fields and Tobacco Quality in Shandong
不同施氮水平对山东褐土烟田供氮状况及烤烟质量的影响
15.
Effects of N Fertilization Levels on Yield,Quality and Nitrogen Uptake and Utilization
施氮水平对杂交狼尾草产量、品质和氮素吸收利用的影响
16.
Studies on Effects of Nitrogen Application Amount and Leaf Age to Flue-cured Tobacco Usability;
烤烟施氮水平及叶龄对烟叶可用性的影响研究
17.
Effects of Fertilizer N on Yield and Nutrients Uptake of Oat
施氮水平对燕麦产量与养分吸收的影响
18.
Study on Effects of Different Nitrogen Levels on Yeild of Red Dry Peper and Physiological Characters
不同施氮水平对红干椒产量及生理特性的影响