1.
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
2.
Nitrite Accumulation During the Denitration Process in SBR at Low Temperature
低温SBR反硝化过程亚硝态氮积累试验研究
3.
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
4.
The Study on Determination Method and Cumulative Factors of Nitrate and Nitrite in Vegetables;
蔬菜中硝态氮测定方法及累积因素的研究
5.
The Physiological Mechanism Research of Nitrate Accumulation Difference in Different Spinach Variety;
不同菠菜品种硝态氮累积差异的生理机制研究
6.
Nitrate Accumulation in Rapeseed Seedlings and Its Relation to Plant Growth and Seedyield and Quality
苗期硝态氮累积与油菜生长、产量及品质的关系
7.
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
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 Different Ratios and Application Rates of Nitrogen Forms on the Nitrate Accumulation in Lettuce
氮素形态、配比、用量对莴苣硝酸盐积累的影响
11.
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
12.
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
13.
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
14.
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
15.
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
16.
Effects of Different Molybdenum and Nitrogen Application Rate and Osmotic Adjustment Substances on the Growth and the Accumulation and Utilization of Nitrate of Oilseed Rape
钼氮和渗透调节物质富集对油菜生长及硝态氮累积利用的影响
17.
Effects of P fertilizer application on yield of spring wheat and characteristics of N absorption and NO_3~--N accumulation in soil profile
施用磷肥对春小麦产量与吸氮特性及土体中硝态氮累积的影响
18.
Effects of Nitrogen Application on Nitrate Nitrogen Accumulation and Forage Yield of Sorghum bicolor×S. sudanense
施氮对杂交苏丹草植株硝态氮累积及产量的影响