Research advance of nitrogen fertilizer losses from paddy field;
水稻田中氮肥损失研究进展
Some 50 ha of paddy fields were contaminated and the farmlands were waste.
本研究系统调查了湖南郴州邓家塘砷污染区水稻田抛荒后自然恢复的植被和旱地 (蔬菜) 两大农业土地利用类型的植物中砷含量, 分析了当地居民砷暴露途径, 并进行污染区健康风险评估。
The dynamic characteristics of phosphorus(P) in surface water of paddy field and its potential environmental impact were studied by the independent irrigation field experiment with different P fertilizer applied rates and two compositions of P application.
:通过独立排灌式磷肥大田试验探讨了水稻田表水磷素的动态特征及其潜在的环境效应。
The ammonia volatilization on the Typic Gleyi-stagnic Anthrosol with application of common urea and controlled release urea(LP-S100) fertilizers in the rice seasons in paddy soil of Taihui region of China was modeled by Jayaweera-Mikkelsen model.
运用密闭气室通气法测定了太湖地区典型水稻田lysimeter实验中肥料施用后的稻季氨挥发动态变化和总损失量,并使用Jayaweera-Mikkelsen氨挥发模型验证了测定结果。
Distributions of seven PCBs(polychlorinated biphenyls) congeners and 13 OCPs(organochlorinated pesticides) were investigated in paddy soil section in Hongfeng reservoir area.
DDT/(DDD+DDE)的比率表明红枫湖地区水稻田中DDTs的降解速率不同,暗示其环境条件的差异。
The potential effect of herbicide mefenacet at various concentrations on cultivable microorganisms in paddy soil was investigated by indoor culture method and the soil samples were collected from the Huajiachi Campus of Zhejiang University.
以浙江大学华家池校区水稻土为材料,采用室内培养法,研究了不同浓度的外源除草剂苯噻草胺对水稻田土壤可培养微生物种群数量的影响。
In this study,a high-performance liquid chromatography(HPLC)method for the quantitative determination of the residues of prochloraz and its metabolites in paddy water and soil was developed.
采用HPLC法对稻田水土样品中咪鲜胺及其主要代谢物BTS44595、BTS44596和BTS45186的残留进行了分析与检测。
A high performance liquid chromatograph (HPLC) method for the quantitative determination of the residues of prochloraz and its metabolites (including BTS44595, BTS44596 and BTS45186) in paddy water and soil was described.
采用HPLC法对稻田水土样品中咪鲜胺及其主要代谢物的残留进行了分析与检测。
Effects of Nitrogen Management on Rice Nitrogen Uptake and Nitrogen Concentrations in the Leachate from Rice Field
氮肥运筹对水稻氮素吸收和稻田渗漏液氮素浓度影响
Measurement difference in paddy field nitrogen leakage by using different type lysimeters
不同渗漏计对稻田氮素渗漏量的测定差异
Characteristics of paddy field nitrogen leakage and runoff in rice-duck farming system
稻鸭共作系统的稻田氮素渗漏和径流特征
Research on the Loss of Nitrogen in Direct-seeding Rice Field in Taihu Lake Region
太湖地区直播稻田氮素的渗漏损失研究
Study on the Effect of N Fertilizer with Split Application on Variation Characteristics of N in Surface and Leakage Water of the Paddv-field;
稻田分次施氮对田面水和渗漏水中氮素变化特征的影响
Study on the Effect of Nitrogen Fertilizer with Split Application on Variation of Nitrogen in the Surface and Leakage Water of the Paddy Field;
分次施氮对稻田水层及渗漏水氮素影响动态变化研究
Phosphorus Move by Leaching and Its Mechanism from Paddy Soil in the Taihu Lake Region of South China;
太湖地区典型水稻土磷素渗漏流失及其机理
Research about Anti-Channeling & Lose Cementing Technology of Daqing Mid&Low-Permeate Oil-Field;
大庆中低渗透油田防窜防漏固井技术研究
N and P Losses with Leaching from a Intensive Cultivated Soil in Dianchi Lake Catchments
滇池流域农田土壤氮磷的渗漏流失特征
Simulation the Temporal and Spatial Distribution of Farmland Soil Water Drainage Based on GIS
基于GIS的农田土壤水分渗漏量分布模拟
Application of DNDC model in estimating cropland nitrate leaching
DNDC模型在农田氮素渗漏淋失估算中的应用
Experiment of Water-saving Irrigation Technology for Paddy Field by Pressing on Arenaceous Soils;
沙壤土稻田碾压防渗节水灌溉技术试验研究
Phosphorus loss with runoff from a side bleaching paddy soil under continual P application in Taihu Lake Region.
太湖地区侧渗水稻土连续施磷处理下稻田磷的径流损失
Gas seepage causes a certain ecologic influence on the local area.
气田烃类渗漏将对当地生态环境的造成一定影响。
Phosphorus leaching losses in different planting farmlands in the riverine plain area of Taihu Lake
太湖水网地区不同种植类型农田磷素渗漏流失研究
Study on nitrogen leaching in farmlands with different crops in riverine plain area of Taihu Lake
太湖水网地区不同种植类型农田氮素渗漏流失研究
LEAK DETECTION PUMP (LDP)
渗漏检测泵（LDP）
Leakage Simulation Test and Calculation of Seepage Quantity of Oil Tank Bottom Plate
油罐罐底渗漏模拟试验及渗漏量计算