nitrogen application造句

• Effect of nitrogen application on yields and quality of flue - cured tobacco
  不同施氮量对烤烟产量和质量的影响
• Effect of nitrogen application on flag leaf senescence and yield of spring wheat
  氮素施用方式对春小麦花后叶片衰老与产量的影响
• Effects of nitrogen application techniques on grain yield and quality in winter wheat
  氮素运筹技术对冬小麦籽粒产量和品质的影响
• Effects of nitrogen application techniques on grain quality and yield in winter wheat
  氮素运筹技术对冬小麦籽粒产量和品质影响的研究
• Effect of nitrogen application on nitrogen absorption , distribution and yield of strawberry
  不同施氮处理草莓氮素吸收分配及产量差异的研究
• Regulation effects of nitrogen application on the polyamine metabolism and senescence of peanut leaves
  施氮对花生叶片多胺代谢及衰老的调控作用
• Effect of nitrogen application on the senescence of flag leaf and yield of rice cultivated in aerobic soil
  氮肥运筹方式对旱作水稻衰老及产量的影响
• Effect of planting date , plant density and nitrogen application rate on yield and quality of vegetable soybean
  氮肥用量对菜用大豆产量和品质的效应
• Effect of nitrogen application and rice cultivars on forms of potassium in different purple paddy soils
  施氮和不同品种水稻对紫色水稻土钾素形态的影响
• Table 5 . shows that the grain yield is higher by modified nitrogen application than by traditional one
  表5显示改良施氮方法比传统施氮方法籽粒产量更高。
• A major finding is that the most efficient use of nitrogen application appears to be when it is applied at or before sowing
  一个重要的发现是最有效的施氮时期是播种时或播种前。
• 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
• Figure 1 exhibits that there are two peak period of n uptake by both of traditional and modified nitrogen application methods
  从图1看出传统施氮方法和改良方法都有两个吸氮高峰期。
• Dynamic simulation of nitrogen application level effects on rice yield and optimization analysis of fertilizer supply in paddy field
  施氮水平对两种水稻产量影响的动态模拟及施肥优化分析
• 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。
• Effects of nitrogen application rate and ratio of base and topdressing on nitrogen absorption , utilization , grain yield , and grain protein content in winter wheat
  施氮量和底追比例对小麦氮素吸收利用及子粒产量和蛋白质含量的影响
• Increased nitrogen application which is essential for high yielding , causes elongation of the lower internodes , particularly the lowest two internodes , makes rice plants more susceptible to lodging
  增施氮肥对高产十分必要，但它造成下部茎节，尤其是最低两个茎节的伸长，使水稻植株容易倒伏。
• The results showed that both inadequate and excessive nitrogen application accelerated the decreasing process of leaf area index ( lai ) and chlorophyll content at later growth stage , which led to earlier leaf senescence
  结果表明，氮肥用量不足或过量均加速了生长后期叶面积系数及穗叶叶绿素含量的下降进程，使叶片提早衰老，但二者作用机制不同。
• The most important factors affected crop yield and economics in these experiments were : rape : population density ; early rice : interaction of p k ; late rice : rate of nitrogen application ; wheat : variety ; midrice . interaction of n k
  这些试验中影响作物产量最重要的因素是：油菜：种植密度；早稻：磷钾交互作用；晚稻：氮肥施用量；小麦：品种；中稻：氮钾交互作用。
• Therefore , it is useful to decrease nitrogen application amount or even with n application in split time so as to decrease the n loss and leaching in the paddy - field . 6 . to define and calculate even productivity of nitrogen in the surface water - body ' of paddy field ( epnw ) , marginal productivity of nitrogen in the surface water ( mpnw ) and elasticity coefficient of nitrogen in the surface water ( ecnw ) , indicated that epnw and ecnw increased with n application amount increase , however mpnw has no the rule
  6 .定义和计算水氮平均产生力、水氮边际产生力和水氮产生力弹性系数，表明水氮平均产生力和水氮产生力弹性系数是随着施氮量的增加而增加的，而水氮边际产生力随施氮量的增加并没有表现出明显的增加趋势。