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Excessive application of nitrogen fertilizers results in tardy bearing. 施用过量的氮肥结果使树延迟结果。
These plants need no nitrogen fertilizers and leave the soil rich in nitrogen. 这样的植物不需要施用氮肥，并且还给土壤留下了丰富的氮。
The concept of controlled-release nitrogen fertilizers( CRN) as a nitrogen management tool is not new. 用控释氮肥（RN）为氮素管理的一项措施已不是新概念。
Export of chemicals for agriculture, artificial fertilizers (nitrogen fertilizers). 出口用于农业的化工制品,人造化肥(氮肥)
Chaling County Nitrogenous Fertilizers P. 茶陵县氮肥厂。
Anren County Nitrogenous Fertilizers Pla. 安仁县氮肥厂。
Anxiang County Nitrogenous Fertilizers F. 安乡县氮肥厂。
The concept of controlled-release nitrogen fertilizers (CRN) as a nitrogen management tool is not new. 用控释氮肥（CRN）作为氮素管理的一项措施已不是新概念。
Use slow- release nitrogen fertilizers, and balance the nitrogen with potassium, preferably a slow-release potassium form. 使用慢速释放型的氮肥，并用钾素平衡氮素，最好是慢速释放型的钾素形式。
The results indicated that the order of nitrification for different nitrogen fertilizers was urea>ammonium sulfate>ammonium chloride. 结果表明，不同氮肥品种在土壤中硝化作用大小为：尿素＞硫酸铵＞氯化铵；
What is the cost of using nitrogen fertilizer on a rice crop? 水稻使用氮肥的成本是什么?
The influence of forms of nitrogen fertilizers and soil moisture on the transformation of external Cd in the paddy soil was investigated through laboratory incubation experiment. 作者单位：中国科学院南京土壤研究所土壤与农业可持续发展国家重点实验室;
Should nitrogen fertilizer be applied after injected swine manure? 如何树立种猪引入的科学理念?
The application of nitrogen fertilizers in plants can normally increase herbivore feeding preference,food consumption,survival,growth,reproduction,and population density. 但也有少量研究发现氮肥对植食性昆虫的表现无明显影响,甚至对极少数昆虫有负作用。
Utilization efficiency of nitrogen fertilizer and Kalium were enhanced. 促进番茄对氮和钾的吸收。
Anhua County Nitrogenous Fertilizer Fact. 安化县氮肥厂。
FERTILIZERS. NITROGENOUS FERTILIZERS CONTAINING SYNTHETIC ORGANIC NITROGEN. DETERMINATION OF THE TYPES OF NITROGEN. 肥料。氮的综合有机物质中氮肥含量的测定。
Mechanisms of Nitrogen Fertilizer Suppressing Atmospheric Methane Oxidation by Methanotrophs in Soils. 氮肥对土壤氧化大气甲烷影响的机制。
The nitrate form commonly dominates where liberal nitrogen fertilization is practiced. 施用足量氮肥的土壤，通常硝酸钙占优势。
Effect of nitrogen fertilizer on yield and nitrate content in Brassica oleracea L. Var. Capitata L. 氮肥对结球甘蓝产量与硝酸盐含量的影响。