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- 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。
- 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]
- 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;
- 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 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。
- Our bodies need adequate nutrition. 我们的身体需要充足的营养。
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- STUDY ON NITROGEN NUTRITION DIAGNOSIS IN CHINESE FIR SEEDLINGS 杉木苗期氮素营养诊断的研究
- A balanced diet provides nutrition for your body. 均衡的食物使你的身体获得营养。
- Nitrogen forms most of the Earth's air. 地球上空气的大部分成分是氮气。
- The lamp is full of gaseous nitrogen. 灯里充满了气体氮。
- Growth is a function of nutrition. 长身体是由营养决定的
- Nitrogen forms about 78% of the earth's atmosphere. 氮约占地球大气的百分之七十八。