1.
Analysis on Nitrate Nitrogen Content of Soils for Planting Vegetable in Different Areas of Yangtze River Delta
长三角不同地区蔬菜种植土壤硝态氮含量分析
2.
Effect of Different Nitrogen Fertilization Rate and Irrigation Rate on Nitrate Nitrogen Concentration in Wheat-Maize Interplanting System
施氮量和灌溉量对小麦/玉米间作土壤硝态氮含量的影响
3.
Effect of Different Levels N Application on the Nitrate Accumulation in Cucumber and Soil in Sunlight Greenhouse
氮肥用量对日光温室黄瓜和土壤硝态氮含量的影响
4.
Effects of irrigation amount and stage on nitrogen accumulation,distribution,translocation and soil NO_3~--N content in high-yield wheat
灌水量和时期对高产小麦氮素积累、分配和转运及土壤硝态氮含量的影响
5.
Effects of nitrogen fertilization on nitrate content of radish(Raphanus sativus L.) and soil nitrate leaching
施氮量对白萝卜硝酸盐含量和土壤硝态氮淋溶的影响
6.
Effects of Different Nitrogen Fertilization Levels on Yield of Cucumber,the Soil Nitrate-N Accumulation and the Soil Solution Nitrate-N Concentrations
不同氮肥水平对黄瓜产量、土壤硝态氮累积及土壤水溶液硝态氮含量的影响
7.
Effects of Combined Application of Organic and Inorganic Fertilizers on Soil Ammonia Volatilization and Nitrate Accumulation in Winter Wheat Field;
有机无机肥料配施对麦田土壤氨挥发和硝态氮含量的影响
8.
Effect of Different Nitrogen Fertilizer Levels on Vertical Distribution of NH_4~+-N and NO_3~--N in Rubber Plantation Soil
施氮量对橡胶园土壤铵态氮和硝态氮垂直分布的影响
9.
Effects of nitrogen fertilization and irrigation rate on grain yield,nitrate accumulation and nitrogen balance on sandy farmland in the marginal oasis in the middle of Heihe River basin
水氮配合对绿洲沙地农田玉米产量、土壤硝态氮和氮平衡的影响
10.
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
11.
Effects of irrigation with piggery wastewater on nitrate nitrogen dynamics in fluvio-aquatic soil
猪场废水灌溉对潮土硝态氮含量变化的影响
12.
Leaching Loss and Movement of Nitrate in the Soil of Wheat-Corn Double Cropping System and Nitrogen and Irrigation Recommendation;
小麦—玉米两熟制下土壤硝态氮运移淋失规律及灌水施氮量推荐
13.
Influence of applying phosphorus on soil nitrate N and nutrient uptake and yield of summer maize
施磷对夏玉米土壤硝态氮、吸氮特性及产量的影响
14.
Influence of Nitrogen Rates, Soil Fertility and Harvest Time on Nitrate in Chinese Cabbage
氮肥、土壤肥力和采收期对小白菜体内硝酸盐含量的影响
15.
Relationship between soil nitrate,nitrogen balance and utilization in rainfed land
旱地土壤硝态氮与氮素平衡、氮肥利用的关系
16.
Effects of Fertilization on Turf Quality of Kentucky Bluegrass and Nitrate Dynamic in Soil;
施肥对草地早熟禾草坪质量及土壤中硝态氮动态的影响
17.
Effect of different irrigation amount on NO_3~--N leaching in the soil of cotton field in Alaer irrigated area
不同灌水量对阿拉尔垦区棉田土壤硝态氮淋失量的影响
18.
The Experimental Research on the Influence of Initial Moisture Content to the Transport of Nitrate in Red Soil;
初始水分含量对红壤硝态氮运移影响的实验研究