1.
Studies on Fixed Ammonium of Chief Upland Cultivated Soils in Hunan Province;
湖南省主要旱耕地土壤固定态铵的研究
2.
Correlation between Fixed Ammonium and Illite in Paddy Soil, Nanjing Region
南京地区水稻土中固定态铵与伊利石的相关性
3.
Relationship Between the Release of Fixed ammonium from Yellow Brown Soil and the Density of Ryegrass
黄棕壤矿物固定态铵的释放与黑麦草种植密度的关系
4.
Spatiotemporal Change of Soil Water in Fixed Sand Dune
固定沙丘土壤水分时空动态变化研究
5.
Study on Distribution of Fixed Ammonium and Its Influencing Factors in Paddy Soil Profile
固定态铵在水稻土剖面中的分布特征及其影响因素研究
6.
Determination of the Valence State and Content of Chromium in the Orangery Soil in Xujiamiao of Chenggu County
城固许家庙橘园土壤元素铬形态及其含量测定
7.
Different Consistence DCD Influence on the Transformation of NH_4 N in Soil
不同浓度双氰胺对土壤铵态氮变化的影响
8.
Dissimilatory Nitrate Reduction to Ammonium in Submerged Soils;
淹水土壤中硝态氮异化还原成铵过程的研究
9.
Effect of Match Ratio of Ammonium Nitrogen and Water Solubility Phosphas on Soil Nitrification
铵态氮和水溶性磷酸盐配比对土壤硝化的影响
10.
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
11.
A Study on the Characteristics of Ammonium Fixation and Adsorption of the Corn Belt Phaeozem in Songliao Plain;
松辽平原玉米带黑土铵的固定和吸附特性研究
12.
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
13.
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
14.
Effects of permanent raised bed on soil water in spring wheat in Oasis Irrigation Area
绿洲灌区固定道垄作对春小麦土壤水分变化动态的影响
15.
Temporal Stability of Surface Soil Moisture in Artificially Revegetated Desert Area
荒漠人工固沙植被区浅层土壤水分动态的时间稳定性特征
16.
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
17.
Solid extraction method of researching the separation for rare earth element --rare earth NH 4SCN TBP system
固态萃取法研究稀土元素的分离——稀土-硫氰酸铵-磷酸三丁酯体系
18.
Influence of NH_4/NO_3 on Vegetable Growth, Cd and Zn Form and Bioavailability in Soil;
铵硝比对蔬菜生长、土壤镉锌形态和生物有效性的影响