1.
Effect of Ratio of Organic to Inorganic Nitrogen on the Yield,Nitrate Content and V_C Content of Pakchoi
有机无机氮肥比例对小白菜产量和硝酸盐、V_C含量的影响
2.
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；
3.
Effects of partial mineral nitrogen substitution by organic fertilizer nitrogen on the yields of rice grains and its proper substitution rate
有机肥料氮替代部分无机氮对水稻产量的影响及替代率研究
4.
Effect of Chemical Nitrogen Fertilizer Application Rate and Organic-inorganic Compound Fertilizer on Yields and Quality of Vegetables;
化学氮肥用量及有机无机复混肥对蔬菜产量和品质的影响
5.
Effection of Nitrogen Fertilizer Application and Organic-inorganic Mixed Fertilizer on Yield and Quality of Lettuce;
氮肥用量与有机无机复混肥对莴苣的产量和品质的影响研究
6.
Effects of Amount of Chemical and Organic-Inorganic Compound Fertilizer on N &P Loss in Coastal Saline Region,Zhejiang Province
化肥用量和有机无机复混肥对浙江海涂区氮磷损失的影响
7.
Effects of Combining Application of Organic (Green Manure) and Mineral Fertilizers on Nitrogen Nutrition Uptake of Potted Cotton and Fertility of Soil;
有机（绿肥）与无机肥料配合对盆栽棉花氮素营养吸收及土壤肥力的影响
8.
Effects of Combined Application of Organic and Inorganic Fertilizers on Soil Ammonia Volatilization and Nitrate Accumulation in Winter Wheat Field;
有机无机肥料配施对麦田土壤氨挥发和硝态氮含量的影响
9.
Effect of Application of Organic-Inorganic Mixed Fertilizers on Growth of Crops and Soil Nitrogen Supply;
有机无机肥料配施对作物生长及土壤供氮特性的影响
10.
Effect of Organic and Inorganic Matter on the Maturity and Nitrogen Conservation in Pig Manure Compost;
有机无机添加物对猪粪堆肥腐熟和保氮影响研究
11.
Effect of Application of New Kinds of Organic-inorganic Mixed Fertilizers on Growth of Spinach and Pakchoi and Soil Nitrogen Supply;
新型有机无机复混肥对蔬菜作物生长及土壤供氮能力的影响
12.
Effect of combined application of organic and inorganic fertilizers on migration of nitrogen in rice soil of red earth;
有机-无机肥料配施对红壤性水稻土氮素转化的影响
13.
Effects of organic-inorganic mixed fertilizers on rice yield and nitrogen use efficiency
不同有机无机复混肥对水稻产量和氮素利用率的影响
14.
Effects of Long-term Combined Application of Organic and Inorganic Fertilizers on Crop Yield and Nitrogen Uptake
有机无机肥料长期配施对作物产量及氮素吸收利用的影响
15.
In the example above, using nitrogen on rice will only have an opportunity cost if the amount of nitrogen is limited.
在上述例子中，只有在氮肥量有限时，把氮肥用于水稻才存在着机会成本。
16.
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
17.
Research on the Best Ratio of Organic and Inorganic Fertilizer in the Celery Production
芹菜生产中的有机无机肥最佳配比研究
18.
Influence of Organic Nitrogen Application Rate on Leaf Yield and Quality of Flue-cured Tobacco
施用不同比例有机氮对尤溪烤烟产质量的影响