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- Effects of Different Nitrogen Application Methods on Summer Corn's Growing Characters and Utilization Rate of Nitrogen 不同施氮方式对夏玉米生长性状及氮肥利用率的影响
- Effect of different rate of nitrogen application and ratio of base and top application on yield and quality of strong gluten wheat 不同施氮量和底追比例对强筋小麦产量和品质的影响
- Took Huaimai19 and Yannong19 as materials, the effects of nitrogen application rate on RVA profile characters under different land fertility levels were studied. 摘要为给小麦优质栽培提供理论依据，以淮麦19和烟农19为材料，研究了地力水平、施氮量对小麦淀粉RVA特性的影响。
- Rate of nitrogen application 施氮量
- Results showed that increasing nitrogen application rate increased total N uptake,but decreased the percentage of nitrogen exported(PNE)from vegetative organs,nitrogen harvest index(NHI)and nitrogen efficiency for grain production(NEGP). 结果表明 ,施氮量增加 ,水稻吸氮量增多 ,但营养器官的氮转运率、氮收获指数和产谷效率显著下降 ;
- In rich fields, with the rising of application rate of nitrogen fertilizer, both the utilization efficiency and unit production rate of nitrogen fertilizer declined. 摘要在高肥力麦田中，随着氮肥施用量的不断增加，氮肥利用率下降，单位氮肥的增产量递减。
- Effects of the amount of nitrogen application on petunia, pansy, daisy and Anthurium. 对4种花卉进行氮素生理试验，目的是初步了解矮牵牛、三色堇、雏菊、安祖花对氮素的养分需求；
- The absorption factor and absorption rate of nitrogen were analyzed. 分析了影响氮的吸收因素和氮的吸收率。
- Table 2 also shows that a change in the level of nitrogen application affects the MPP of potash use for any given level of potash use. 表2又表示在钾的各个用量水平，氮肥用量的变化对钾肥边际产量的影响。
- The effect of nitrogen application on HMW-GS expression with protein composition differed among subunit type of high quality wheat. 施氮后，高分子量谷蛋白亚基表达量与各项加工品质指标呈正相关；
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- Under higher level of nitrogen application (N:P:K=3:1:1), Phalaenopsis amabilits showed heavier fresh weight and dry weight, longer and wider scape, and the most leaves. 氮、磷、钾比例为3:1:1（高氮）条件下，蝴蝶兰植株的叶片数最多，鲜重、干重较重．花茎长且粗；
- In order to overcome above problems,we used GreenSeeker to decide the amount of nitrogen application in wheats at jointing stage based on spectrum of chlorophyl. 试验结果表明,该技术不仅可以减少氮肥施用量,而且可以明显增加小麦籽粒产量和氮肥利用率,提高小麦生产的经济效益。
- The high rate of nitrogen and phosphorus is unfavourable to the photosynthesis of the phytoplankton. 过高的氮磷比不利于浮游植物进行光合作用。
- Liu W D,Wang H C,Yang Q H et al.Effect of nitrogen application on the productivity of winter wheat under soil water deficit[J].Chin.J.Soil Sci.,2002,31(6):262-264. [6]刘万代;王化岑;杨青华;等.;施氮对土壤水分亏缺下冬小麦生产力的影响[J]
- Wang X Y,Li X D,Zou Q.Regulation effects of nitrogen application on the polyamine metabolim and senescence of peanut leaves[J].Acta Agron.Sin.,2001,27(4):442-446. [7]王晓云;李向东;邹琦.;施氮对花生叶片多胺代谢及衰老的调控作用[J]
- What's the going rate of computer programmers? 计算机程序设计人员的一般工资是多少？
- By power we mean the rate of doing work. 我们说功率就是指做功的速率。
- SummaryThe characteristic of NO3--N accumulation in the soil layer of 40~220 cm with different amounts of nitrogen application was studied by analysis of NO3--N in soil solution collected in a cinnamon soil of the Piedmont Plain of Mt. Taihang. 通过采集土壤溶液并测定其硝态氮(NO3--N),对不同施N处理下40-220cm土层的NO--N累积特征进行了研究。
- The rate of incidence of a disease. 发病率发生疾病的概率
