1) optimal N uptake
最适吸氮量
2) optimum proportion of N to P
最适氮磷比
3) N uptake
吸氮量
1.
Effect of Controlled-release Urea Application on N Uptake and Rice Yield;
控释尿素施用对水稻吸氮量及产量的影响
2.
The effects on maize N uptake by arbuscular mycorrhizal fungi screened from South China, Center China and North China in cinnamon soil, brown soil and red soil collected in above three regions were investigated using three-compartment-glass-bead culture system.
结果表明:在褐土上,BEG141显著增加了地上部氮含量,BEG151和BEG221略微增加了地上部氮含量,BEG141、BEG151、BEG168和BEG221显著增加了地上部吸氮量;在棕壤上,接种对地上部氮含量无显著的促进作用,BEG150和BEG151降低了地上部氮含量,BEG221增加了地上部吸氮量;在红壤上,BEG167和BEG221显著增加了地上部氮含量,BEG141降低了地上部氮含量,BEG150、BEG168和BEG221显著增加了地上部氮含量。
3.
In the fababean/maize intercropping system,shoot N content of fababean or maize and total N,NO3——N,NH4+-N content of 0-20 cm soil were not markedly increased by rhizobium inoculation compared with the check regardless of whether receiving nil or 225 kg/ha N,but the total shoot N uptake in the intercropping system was significantly improved by rhizobium inoculation.
无论施氮与否,在蚕豆/玉米间作系统中,与蚕豆不接种相比,蚕豆接种根瘤菌对蚕豆、玉米地上部植株含氮量均无显著影响,但对整个系统的植株地上部吸氮量有显著的促进作用。
4) annual nitrogen absorption amount
年吸氮量
5) nitrogen uptake
吸氮量
1.
) yield, nitrogen efficiency (NE) including nitrogen efficiency ratio (NER),nitrogen uptake efficiency (NUpE),nitrogen use efficiency (NUE),and nitrogen fertilizer use efficiency (NfUE)as influenced by a new coated urea as CRF.
在本试验条件下 ,相对于通常氮肥施用量 ( 15 0 kg N/hm2 ) ,少量增加氮肥施用量 (氮肥用量增加 8% )对产量和氮效率 ( NE)没有显著影响 ;而大量增加氮肥施用量 (增加 2 0 % ) ,能明显增加小麦产量、吸氮量和氮肥利用
2.
In order to evaluate performance of slow/controlled release fertilizer coated and felted by two kinds of low-cost materials,pot trials were conducted in 2008 to investigate the effects of single basal application of two coated controlled-release fertilizers on yield and nitrogen uptake and economic benefit of early rice.
为了对2种廉价包膜材料缓释性能进行准确的评价,于2008年进行水稻大田试验,研究了一次性施用包膜肥料对水稻产量、吸氮量和经济效益的影响。
6) absorption of nitrogen
吸收氮量
补充资料：单标线吸量管
分子式：
CAS号：
性质：又称单标线吸量管。一种准确移取一定体积溶液的容量器皿。它是一根两头细长而中间有膨大部分的玻璃管。管的最下端呈尖嘴状，在上部有一环形标线，该标线标示在指定的温度下把液体充满到刻度后，任其自然流出时流出液体的体积。常用的移液管有50ml、25ml、20ml、10ml、5ml、2ml、1ml等多种规格。
CAS号：
性质：又称单标线吸量管。一种准确移取一定体积溶液的容量器皿。它是一根两头细长而中间有膨大部分的玻璃管。管的最下端呈尖嘴状，在上部有一环形标线，该标线标示在指定的温度下把液体充满到刻度后，任其自然流出时流出液体的体积。常用的移液管有50ml、25ml、20ml、10ml、5ml、2ml、1ml等多种规格。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条