1.
RESPONSE OF PLANT DENSITIES TO N/P RATIO IN SOIL UNDER ARTEMISIA ORDOSICA COMMUNITY IN SUCCESSION
油蒿群落演替中的植物密度对土壤氮/磷比的响应
2.
To the Comparison of the Loss for Natural Soil s Nitrogen and Phosphorus;
太行山自然状态土壤的氮、磷流失比较
3.
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
4.
Effect of soybean yield and soil water in semiarid district of northeast under the different ratios of N, P and K
不同氮磷钾配比对东北半干旱区大豆产量及土壤水分的影响
5.
Advance in comparison on determination of available nitrogen, phosphorus,potassium in soil by ASI method and its correlation with fertilizer absorption
ASI法测定土壤速效氮磷钾的方法比较及相关性研究进展
6.
Effects of Earthworms on Soil Nitrogen and Phosphorus in Upland Rice-Wheat Rotation Agroecosystem;
蚯蚓活动对稻麦轮作土壤氮、磷的影响
7.
Study Progress of Nitrogen and Phosphate Adsorption&Desorption in Soils
土壤对氮、磷吸附/解吸附特性研究进展
8.
Extracting of Soil Nitrogen,Phosphorus and Potassium with 0.5 mol L~(-1) NaHCO_3
0.5mol L~(-1) NaHCO_3提取土壤氮磷钾的研究
9.
The total phosphorus requirement is relative to the potential of soil phosphorus and nitrogen fertilizer application.
总磷需求量与土壤磷潜力和施用氮肥有关。
10.
Nitrate-N Leaching in 23-Year Winter Wheat Field Combined with Application of Nitrogen and Phosphorus
小麦氮磷肥长期配施对土壤硝态氮淋溶的影响
11.
As regards fertility status, almost all soils are deficient in N and about 90% are low to medium in P.
至于肥力状况，几乎所有土壤缺氮，约90%土壤低磷或中磷。
12.
Identification and Evaluation of Critical Areas of Nitrogen and Phosphorus Runoff in Complex Land Use Systems;
复合土地利用区土壤氮磷流失敏感区界定
13.
Study on the Suitable Applying Amount of Nitrogen and Phosphorus Fertilizer on the Tide Soil Cotton Field in Binzhou City;
滨州市潮土土壤棉田氮磷化肥适宜用量的研究
14.
The application of organic fertilizer is necessary in supplying the resource of potassium of soils and alleviating the disequilibrium of N,P,K and increasing the use efficiency of organic nitrogen.
证明有机肥是土壤钾的重要来源，施用有机肥对于缓解氮磷钾比例失衡有重要作用；
15.
Soil Hydrolase and the Interaction with Available Nitrogen and Phosphorus at Quanzhou Bay Wetland
泉州湾湿地土壤水解酶特征及其与土壤有效氮磷的关系
16.
Effect of Near-Surface Soil Hydrological Conditions on Soil Erosion and Nutrient Losses at Hillslopes
近地表土壤水文条件对坡面土壤侵蚀和氮、磷养分流失的影响研究
17.
They say much of the soil lacks enough phosphorus and nitrogen.
他们说当地的大部分土壤缺乏足够的磷和氮。
18.
Study on Transformation of Carbon, Nitrogen and Phosphorus in Soil-water-plant System in Wetland of Liangzi Lake;
梁子湖湿地土壤—水—植物系统碳氮磷转化研究