1.
Correlation between soil total nitrogen content and water content in riparian wetland
滨河湿地土壤全氮含量及其与含水率相关性分析
2.
Effects of Controlled-release Nitrogen Fertilizer on Total N of Soil and Yield and Quality of Summer Maize
控释肥对土壤全氮含量及夏玉米产量品质的影响
3.
The dynamics of soil total nitrogen content of different vegetation types on alpine Kobersia meadow
高寒草甸不同植被类型土壤全氮含量变化动态分析
4.
Maize straw returning to the field can increase the soil total nitrogen and inorganic nitrogen content.
秸秆还田增加了土壤全氮和无机氮含量。
5.
Content and Distribution Characteristics of Soil Organic Carbon and Total Nitrogen of Grassl and in Yunwu Mountain
云雾山草地土壤有机碳全氮含量与分布特征
6.
Seasonal change characteristics of alkaline hydrolysis nitrogen and total nitrogen in typical Calamagrostis angustifolia wetland soils of Sanjiang Plain
三江平原小叶章湿地土壤中碱解氮和全氮含量的季节变化特征
7.
Contents and relationships of soil organic matter and total nitrogen under different habitats in Jinfo Mountain
金佛山地区不同生境下土壤有机质与全氮含量及其相关性
8.
Sewage Sludge on the Contents of Organic Matter,Total N,Total P,and Total K in Calcareous Immature Soil and Calcareous Mellow Soil
污泥对石灰性土壤有机质和全氮磷钾含量的影响
9.
Spatial Variability and Distribution of Soil Total Nitrogen and Organic Matter in Medium and Large Scales in Rubber Plantations
中大尺度下橡胶园土壤全氮和有机质含量的空间分布特征
10.
Contents of Active Organic Carbon, Nitrogen and Its Relationship with Nitrogen Mineralization of Soil on the Loess Plateau;
黄土区几种土壤中活性有机碳、氮含量及其与土壤氮素矿化的关系
11.
given nitrogen rich organic matter in soil
在土壤中施含氮量高的有机质
12.
water content of soil
土壤含水量（土壤含水率）
13.
Response of Soil Organic Matter,Total Nitrogen and Total Phosphor to Different Land Use Patterns in Alpine Meadow of Qinghai-tibetan Plateau
青藏高原高寒草甸土壤有机质、全氮和全磷含量对不同土地利用格局的响应
14.
Contents of Soil Organic Matter,Nitrogen,Phosphorus and Potassium under Different Land-use Patterns in Purple Hill Area
紫色丘陵区不同土地利用方式下土壤有机质和全量氮磷钾含量状况
15.
Soil Nitrogen Content and Enzyme Activity in Different Utilization Types of Land in the Upper Reaches of Lancang River
澜沧江上游不同土地利用类型土壤氮含量与土壤酶活性研究
16.
soil quality - determination of total nitrogen - modified method
土壤质量-总含氮量的测定法-修改的hjeldahl法
17.
Influence of Glutin on the Number of Microbial Population and Mineral Nitrogen Content in Soil
明胶对土壤微生物数量及矿质氮含量的影响
18.
Effect of Different Nitrogen Fertilization Rate and Irrigation Rate on Nitrate Nitrogen Concentration in Wheat-Maize Interplanting System
施氮量和灌溉量对小麦/玉米间作土壤硝态氮含量的影响