1.
Responses of Soil Available Nitrogen of Natural Forest and Secondary Forest to Simulated N Deposition in Changbai Mountain
长白山原始林和次生林土壤有效氮含量对模拟氮沉降的响应
2.
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
3.
Evolution Trend of Soil Available N, P and K Contents in Xinmin District
新民市农田土壤有效氮、磷、钾含量变化分析
4.
Comprehensive Measures: Effective for NH3-N Contained Wastewater Disposal in M-sized Nitrogenous Fertilizer Plant
采取综合手段有效治理中氮企业氨氮废水
5.
Analyzed Quantitative Traits Loci Associated with Nitrogen Use Efficiency and Variations of Nitrogen Use Efficiency in Rice;
水稻氮高效有关性状QTLs定位及不同基因型氮素利用效率差异分析
6.
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
7.
Denitrification performance of immobilized effective microorganisms
固定化有效微生物群脱氮性能的研究
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.
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。
10.
The amide nitrogen of glutamine or asparagine functions more effectively than ammonia.
谷酰胺或天门冬酰胺的酰胺氮作用较氨更有效。
11.
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
12.
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
13.
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
14.
Organic Materials and Inorganic Minerals Comparative Study for Nitrogen Slowly Releasing Effect;
有机物和无机矿物对氮素缓释效应的对比研究
15.
Effects of Different Nitrogen and Phosphate Rates on Yield and Quality of Salvia Miltiorrhiza Bge;
不同氮、磷水平对丹参产量和有效成分的影响
16.
Study on the Water-soluble Organic Nitrogen and Organic Carbon in Intensively Managed Phyllostachys Praecox Stands
高效栽培雷竹林土壤水溶性有机碳、氮研究
17.
Study on Bioavailability of Residual Nitrate Nitrogen in Vagetable Soil
菜地土壤残留硝态氮的生物有效性研究
18.
EFFECTS OF DIFFERENT NITROGEN FERTILIZERS ON SOIL COPPER BIOAVAILABILITY IN A CONTAMINATED RED SOIL
不同氮肥处理对污染红壤中铜有效性的影响