1.
Nitrogen Loss Characteristics in Different Use Slope Field in Songhua Dam Reservoir of Kunming
昆明市松华坝水源区不同利用类型坡地氮素输移规律研究
2.
Research of Nitrogen Transportation and Transformation of Ditch Sediments in Drying and Wetting Period
沟渠沉积物的氮素迁移转化在干涸期和输水期的试验研究
3.
Effects and Mechanism on Nitrogen Output in Farmland with Nitrogen Fertilization;
氮肥施用对农田氮素径流输出的影响及其机理
4.
NITROGEN UTILIZATION EFFICIENCY AND FATE OF FERTILIZER UNDER DIFFERENT TRANSPLANTING DENSITY
水稻不同移栽密度的氮肥效应及氮素去向
5.
Effects of Land Use Structure on Nitrogen Export at Watershed Level
小流域土地利用结构对氮素输出的影响
6.
Impact of Wastewater C: N Ratio on Nitrogen Transport and Transformation in Wastewater Irrigation System
污水碳氮比对污灌系统氮素迁移转化影响的试验研究
7.
The Law of Nitrate Transportation and Assimilation Study in Soil-Vegetable System under Different Conditions of Water and Fertilizer;
不同水氮条件下土壤—蔬菜系统氮素运移吸收规律研究
8.
Nitrogen Uptake and Utilization and Nicotine Accumulation in Nicotiana Tabacum L. Influenced by Transplanting Date and Nitrogen Fertilizer
移栽期和氮肥对烤烟氮素吸收利用及烟碱积累的影响
9.
EFFECTS OF TRANSPLANTING TIME AND NITROGEN FERTILIZER ON THE YIELD,MARKET VALUE AND N UPTAKE OF FLUE-CURED TOBACCO BY USING ~(15)N TRACING TECHNIQUE
移栽期和氮肥对烤烟产量、产值及氮素吸收利用的影响
10.
Nitrogen Transference and Leaching Loss in Growth Period of Wheat in Purple Soil
小麦生长季氮素在紫色土中的迁移和淋失
11.
Experimental Study on Nitrate Movement and Transformation under Localized Compaction and Ridge Fertilization;
成垄压实条件下氮素迁移转化规律研究
12.
Effects of Polyacrylamide Application on the Nitrogen s Move and Eluviation in Purple Sloping Field;
PAM对紫色土坡地氮素迁移淋失的控制效应
13.
Nitrogen Transport under Sewage Irrigation at Different Groundwater Depth;
不同潜水埋深污水灌溉氮素运移试验研究
14.
Study on Crop Growth and Nitrogen Transport under Sewage Irrigation;
污水灌溉条件下作物生长及氮素运移试验研究
15.
Experiment Research on Moisture and N Transport under Surge Flow Irrigation;
波涌灌间歇入渗水分与氮素运移特性试验研究
16.
Sduty on The Laws of Nitrogen Translation And Movement Under Drip-irrigation In The Greenhouse;
温室滴灌条件下氮素转化运移规律研究
17.
Numerical Simulation of Nitrogenous Migration and Transformation in Tianzhuang Reservoir;
田庄水库氮素迁移—转化规律的数值分析
18.
Studies on Nitrogen Movement in Loess Layers and Its Mathmatic Analysis and Simulation.;
黄土层中氮素运移试验研究及数学模拟分析