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- nitrogen nutrition efficiency 氮素营养效率
- Effects of Nitrogen Nutrition Stress on the Growth and Photosynthetic Characteristics of Spathiphyllum palls Hort. 氮素营养胁迫对匙叶天南星生长及光合特性的影响。
- Nitrogen nutrition of Panax quinquefolium Linne was studied by using 15N tracer technique. 通过15N示踪微区试验，研究了西洋参氮素营养特性。
- Legumes have important influence on improving nitrogen nutrition balance ofgrassland ecosystem and promoting output of animal protein in pasture. 豆科牧草对于改善草地生态系统氮素营养平衡和促进草地动物蛋白质的形成具有非常重要的作用。
- The relation between nitrogen nutrition and photosynthesis of crop is important from an agricultural and a ecological point of view. 氮素营养与碳素同化作用间的相互关系是农学和生态学共同关注的研究热点之一。
- Selecting and using the plant genotype being able to endure lean nutrition element was an effective way to raise nutrition efficiency of the crop. 摘要利用和选育耐贫瘠营养元素的植物基因型，挖掘作物自身基因潜力，是提高作物营养元素效率的一条有效途径。
- Wu F B, Xu F H, Jin Z Q.A preliminary study on nitrogen nutrition diagnosis for short-season cotton with a chlorophyII meter [J].Acta Agronomica Sinica, 1999, 25(40): 485 - 488. [9]邬飞波;许馥华;金珠群.;利用叶绿素仪对短季棉氮素营养诊断的初步研究[J]
- And often edible dawdle can coordinate human body to be absorbed to other alimental well, have a change of luck, increase alimental nutrition efficiency. 而且经常食用蘑菇能很好地协调人体对其他食物的吸收、转运，增加食物的营养效率。
- The results show that nitrogen and phosphorus nutrition increase stomatal conductance of maize, but the role of nitrogen nutrition is bigger than that of phosphorus nutrition. 结果发现：虽然土壤乾旱条件下，氮磷均增大了玉米叶片的气孔导度，但氮对促进乾旱条件下气孔开放的作用要显著大于磷的作用；
- Because of the different properties, the improper application of surfactants will lead to foliar injury, lower nutrition efficiency and other undesired consequences. 不同表面活性剂的助吸效果有一定差异,如果使用不当,容易引起叶面伤害、养分利用率降低等不良反应。
- The depletion of potassium in the rhizosphere soil of fou r wheat varieties with different potassium nutrition efficiency was studied in soil culture with 3-compartment-pot. 用三室土培技术,研究了钾营养效率不同的4个小麦品种根际速效钾、缓效钾的动态变化与钾效率的关系。
- The pot experiment was conducted to study the effect of nitrogen nutrition on flag leaves' physiological characteristics at the tilling stage of spring wheat under the different soil water content. 摘要在盆栽条件下，研究不同水分条件下氮素营养对春小麦灌装期旗叶生理特性的影响。
- Sufficient nitrogen nutrition could improve the contents of soluble protein and nucleic acid in flag leaf and reduce the activities of protease and nuclease, and delay the senescence of plant. 氮素营养充足可以提高旗叶可溶性蛋白质和核酸含量 ,降低蛋白酶和核酸酶活性 ,从而延缓小麦旗叶的衰老。
- The carbon and nitrogen nutrition and their coupling relationship are one of the most key and basic biological processes,but the effects of episodical drought on them are still not well understood. 摘要 植物的碳氮营养及其相互关系是最重要的基本生物过程之一,阶段性干旱对植物碳氮分配的影响研究甚少。
- Zhu W Q,Wu L H,Tao Q N.Effects of nitrogen nutrition on soluble osmotica in different rice varieties in response to drought stress[J].J.of Zhejiang University(Agric.and Life Sci.),2003,29(5):479-484. [7]朱维琴;吴良欢;陶勤南.;氮营养对干旱逆境下不同水稻体内可溶性渗透调节物质的影响[J]
- Xiao K,Zhang R X,Qian W P.The effect and regulating mechanism of nitrogen nutrition on canopy photosynthetic carbon assimilation in wheat[J].Plant Nutr.Fert.Sci.,1999,5(3):235-243. [2]肖凯;张荣铣;钱维朴.;氮素营养对小麦群体光合碳同化作用的影响及其调控机制[J]
- The growth, nutritional indices and nutritional efficiency parameters were studied and worked out by standard gravimetric procedure. 采用标准重量分析法分析和计算各种生长、营养和营养效率指数。
- The feasibility of readings of SPAD - 502 on the nitrogen nutritional diagnosis of corn was studied through a simple field experiment and research method under field condition. 采用简单的试验和研究方法在田间条件下研究了叶绿素仪应用于夏玉米氮营养诊断的可行性。
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- We must improve our efficiency as soon as possible. 我们必须尽快地提高工作效率。
