1.
Effect of New Type Fertilizers Application on Accumulation of Soil Nitrate Nitrogen in the Maize Season
新型肥料施用对玉米季土壤硝态氮累积的影响
2.
Effects of Models of N Application on Greenhouse Tomato N Uptake,Utilization and Soil NO_3~--N Accumulation
施氮模式对番茄氮素吸收利用及土壤硝态氮累积的影响
3.
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
4.
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
5.
Effects of Continously Applying Nitrogen on Soil Nitrate Accumulation in Rain-fed Agriculture Region of Mid Loess Plateau;
连续施氮对黄土高原中部雨养农业区土壤硝态氮累积的影响
6.
Effect of Different Factors on Accumulation and Leaching of Nitrate in Greenhouse Soil;
日光温室土壤硝态氮累积淋溶特性及其影响因素研究
7.
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
8.
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
9.
Mechanisms and conditions of nitrite accumulation occurring in calcareous soil
石灰性土壤中亚硝态氮的累积机理和条件
10.
Effects of Phosphorus Fertilizer on the Utilization Ratio of Nitrate Accumulated in Deep Soil Profile by Wheat
磷对小麦利用土壤深层累积硝态氮的影响
11.
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
12.
3. Due to less clay content and looseness of Entisol, and a fast speed of nitrification, nitrogen input to the soil mostly presented as nitrate.
3. 土壤质地极显著的影响硝态氮在土壤中的累积与运移。
13.
Effect of fertilization on fertility and nitrate accumulation of black loessial soil of dry land in Loess Plateau
施肥对黄土旱塬区黑垆土土壤肥力及硝态氮累积的影响
14.
Characteristics of Soil Nitrate Nitrogen Dynamic Variations and Accumulation Under Intensive Planting
集约化种植条件下土壤硝态氮动态变化及累积特征研究
15.
The Accumulation of Nitrate Nitrogen in Soil Profiles in the Semiarid and Semi Humid Area;
半干旱半湿润地区土壤剖面中硝态氮累积的研究
16.
Effects of Different Measures of Controlling Water and Fertilizer Supply on Biological Validity and Movement of Deep Soil Nitrate
耕层水肥调控对土壤深层累积硝态氮的生物有效性及运移的影响
17.
Capability of Accumulative NO_3~--N by Plants in Soil-profile
土壤剖面累积硝态氮的植物利用与消减潜力研究
18.
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