1.
Study on the Utilization of Water and Nitrogen and the N-Fertilizer Balance under Water Saving Irrigation;
节水灌溉水稻水氮利用与肥料氮量平衡研究
2.
Effects of Partial Mineral Nitrogen Substitution by Organic Fertilizer Nitrogen on the Yields of Rice Grains and Their Proper Substitution Rate
有机肥料氮替代部分化肥氮对稻谷产量的影响及替代率
3.
The Release and Transport of NP from Coated Fertilizers and the Law of Absorption and Utilization by Crop in Soil;
土壤中包膜肥料氮磷释放运移及作物吸怍利用
4.
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
5.
Fertilizers--Determination of nitrate nitrogen content--Nitron gravimetric method
GB/T3597-1983肥料中硝态氮含量的测定氮试剂重量法
6.
The Effect of Combined Application of Organic Manure and Chemical Fertilizers on Yield of Winter Wheat and Nitrogen Utilization
肥料配施对冬小麦产量和氮肥利用效率的影响
7.
Effect of Different Fertilizer Structure on Fate of Nitrogen in Cotton Field
不同肥料结构对棉田氮素去向的研究
8.
Methods for determination of nitrogen,phosphorus and potassium in fertilizer and some practical experiences
肥料中氮、磷、钾的检测方法与实践经验
9.
Research on the Relationship between the Application of Nitrogen and Phosphorus Fertilizer and the Character of Rice Yield
氮磷肥料与水稻产量性状关系的研究
10.
Study on the Select of Nitrogen Fertilization Models for Winter Wheat and the Effects of it on Result of Fertilizing Nitrogen;
冬小麦氮肥肥料效应模型的选择及其对推荐施氮效果的影响
11.
Determination of total nitrogen content for compound fertilizers--Titrimetric method after distillation
GB/T8572-1988复混肥料中总氮含量测定蒸馏后滴定法
12.
a compound used as a fertilizer and as a source of nitrogen compounds.
一种化合物，用作肥料和氮化合物的来源。
13.
a deliquescent salt (Ca(NO3)2) that is soluble in water; sometimes used as a source of nitrogen in fertilizers.
一种水溶性的盐（ca（NO）），有时用作肥料中氮的来源。
14.
Sulphate of ammonia contains 20.6 per cent N and is a widely used fertilizer.
硫酸铰含氮20。6％，是一种广为使用的肥料。
15.
Fertilizers--Determination of ammoniacal nitrogen content--Formaldehyde method
GB/T3600-1983肥料中氨态氮含量的测定甲醛法
16.
Fertilizers--Determination of ammoniacal nitrogen content--Titrimetric method after distillation
GB/T3595-1983肥料中氨态氮含量的测定蒸馏后滴定法
17.
Fertilizers--Determination of urea nitrogen content--Urease method
GB/T3598-1983肥料中尿素态氮含量的测定尿素酶法
18.
Effects of Slow/controlled Release Compound Fertilizer on Soil Nitrogen and Enzyme Activity;
缓/控释复合肥料对土壤氮素和酶活性的影响