1.
Effects of Water and Fertilizers on Available N and P of Protected Soils Planting Capsicum
水肥处理对辣椒保护地土壤速效氮、磷的影响
2.
Effect of Return of Total Wheat Straw on Soil Mineral Nitrogen Dynamics and Rice Yield
小麦秸秆全量还田对土壤速效氮及水稻产量的影响
3.
Advance in comparison on determination of available nitrogen, phosphorus,potassium in soil by ASI method and its correlation with fertilizer absorption
ASI法测定土壤速效氮磷钾的方法比较及相关性研究进展
4.
Spatial variability of soil available N,P and K and influencing factors
土壤速效氮、磷、钾含量空间变异特征及其影响因子
5.
Using NIRS to Predict the Content of Available Nitrogen, Phosphorus and Potassium in Soil
近红外光谱法快速测定土壤碱解氮、速效磷和速效钾含量
6.
The soil organic matter and total N stabilize basically, available P increase while alkaline hydrolyze N decrease obviously in the cornrice rotation.
玉米、稻连作土壤有机质和全氮基本稳定，有效磷呈上升趋势，碱解氮和速效钾下降趋势明显。
7.
EFFECT OF SOIL AVAILABLE ORGANIC CARBON AND NITROGEN ON N_2O FLUXES
土壤有效碳氮对N_2O排放的影响分析
8.
Study on the Priming Effect Caused by Ammonium and Mineralization of Organic Nitrogen in the Typical Soils on Loess Plateau;
黄土高原典型土壤有机氮矿化及铵态氮对土壤氮素激发效应的研究
9.
Study on Determination Methods for Available Nitrogen and Potassium in Soil Testing and Fertilizer Recommendation;
测土配方施肥中土壤有效氮钾测定方法研究
10.
Effects of irrigation and nitrogen interaction on soil NO_3~- -N transport,nitrogen use efficiency and water use efficiency in wheat
水氮互作对小麦土壤硝态氮运移及水、氮利用效率的影响
11.
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
12.
Quick-acting Potassium Status of Farmland in Ankeng and Effects of Adding Potassium
安康耕地土壤速效钾现状与钾肥效应
13.
Soil Hydrolase and the Interaction with Available Nitrogen and Phosphorus at Quanzhou Bay Wetland
泉州湾湿地土壤水解酶特征及其与土壤有效氮磷的关系
14.
Relationship between Soil Enzymatic Activities and Nitrogen Removal in Soil Infiltration Treatment System
土壤渗滤系统中土壤酶活性与系统脱氮效果的关系研究
15.
Studies on the Compound Effects of Nitrogen and Zinc on Soil and Herbage System and their Mechanisms;
土壤-牧草系统氮锌复合效应及其机理研究
16.
Effect of Several Nitrogenous and Potassium Fertilizers on Availabilities of Plumbum and Cadmium in Plumbum or Cadmium Polluted Soil;
不同氮钾肥对铅镉污染土壤铅镉有效性的影响
17.
Relation between the Soil Microbial Characteristic and Biological Availability of Nitrogen for Tobacco, Nicotiana Tabacum L. K326;
烟地土壤微生物特性与氮素生物有效性的关系
18.
Habitat Characteristics as Determined by Available Nitrogen in Forest Soils of Temperate Zone;
温带森林土壤有效态氮营养生境演变特征