大家都搜:
氮缺乏
[土壤]缺氮
1、deficiency───n.缺陷,缺点;缺乏;不足的数额
2、nitrogen balance───[生理]氮平衡
3、nitrogen species───形态氮
4、nitrogen fertilizer───[肥料]氮肥;氮肥肥料;氮肥(料)
5、ammoniacal nitrogen───氨态氮;[化] 氨型氮
6、immune deficiency───免疫缺陷
7、protein deficiency───蛋白质缺乏,蛋白质缺乏病
8、nitrogen───n.[化学]氮
9、deficiency definition───缺陷定义
1、investigations, lack of nitrogen and phosphorus, oxygen deficiency in aeration basin of SBR, high concentration of sulfide in the wastewater is found.───调查分析得知该厂印染废水存在氮、磷缺乏现象,SBR曝气池存在缺氧现象,废水中硫化物含量较高。
2、Treatments with both nitrogen deficiency and high nitrogen supply decreased GA3 concentration in root.───低氮和高氮处理的落叶松幼苗根的GA_3浓度比正常供氮水平的低;
3、Corn is one of the best indicators for nitrogen deficiency among the field-crop plants.───玉米是大多数大田作物中缺氮的最好的指示植物。
4、Drought stress and nitrogen deficiency are major factors limiting plant growth in the arid and semiarid areas.───干旱与氮素胁迫是干旱、半干旱地区限制植物生长的两大主要环境因素。
5、nitrogen deficiency at certain stages of development may be desirable.───许多植物中,轻度缺氮在其发育的某些阶段可能是适宜的。
6、Both treatments with nitrogen deficiency and high nitrogen decreased ZR level in needles.───低氮和高氮处理针叶的ZR浓度都比正常供氮的低;
7、In some plants, a mild nitrogen deficiency at certain stages of development may be desirable.───许多植物中,轻度缺氮在其发育的某些阶段可能是适宜的。
8、In 2005, drought and nitrogen deficiency in crops left five million Malawians reliant on food aid.───2005年,干旱和作物缺氮让500万马拉维人依赖于食品援助。