1.
Effects of Different Organic Manure Fertilization on NO_3~--N Distribution in Greenhouse Soil
不同有机肥处理对设施菜地土壤硝态氮分布影响
2.
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
3.
Study on the Distribution and Accumulation of Nitrate Nitrogen in Soil under Moisture-retaining Irrigation
保墒灌溉条件下土壤中硝态氮分布和累积研究
4.
Study on the Distribution of Soil Nitrate Along Huaihe River and Its Branches
淮河及其支流沿岸土壤硝态氮空间分布研究
5.
Spatial Distribution Patterns of Nitrate Nitrogen and Ammonia Nitrogen in Typical Calamagrostis Angustifolia Wetland Soils of Sanjiang Plain
三江平原典型小叶章湿地土壤中硝态氮和铵态氮的空间分布格局
6.
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
7.
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
8.
Influences of Cropping System on Soil Nitrate Nitrogen and Tobacco Nitride
种植制度对土壤硝态氮及烟叶氮化物的影响
9.
Nitrate-N Leaching in 23-Year Winter Wheat Field Combined with Application of Nitrogen and Phosphorus
小麦氮磷肥长期配施对土壤硝态氮淋溶的影响
10.
Study of Nitrogen Fertilization on Summer Maize Based on Soil Nitrate Nitrogen Test
基于土壤硝态氮测试的夏玉米氮肥施用研究
11.
Soil Nitrite Accumulation During Nitrification and Its Relationship with Soil Properties in Thirteen Soils of China
13种土壤硝化过程中亚硝态氮的累积与土壤性质的关系
12.
Effects of Irrigation Methods on Water Use Efficiency of Winter Wheat and NO_3~--N Accumulation in Soil
灌溉方式对冬小麦水分利用效率及土壤中硝态氮积累的影响
13.
Feasibility of NO_3~--N Determination by Dual Wavelength Spectrophotometric Method
双波长分光光度法测定土壤硝态氮的可行性研究
14.
Horizontal Distribution Characteristics of Soil Nitrogen in Jujube-crop Intercropping Ecosystem
枣粮间作生态系统土壤氮素水平分布特性研究
15.
Effect of irrigation on NH_4~+-N vertical distribution of soil under rubber plantation
灌水量对橡胶园土壤铵态氮垂直分布的影响
16.
Spatial distribution of soil nitrogen in a jujube-crop intercropping ecosystem
枣粮间作生态系统土壤氮空间分布特性
17.
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
18.
Nitrite Accumulation and Influential Factors of in Soil Nitrogen during Nitrification Process
土壤氮素硝化过程中亚硝态氮的累积及其影响因素研究