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1)  ratio root to soil
根土比
2)  beguine [英]['begi:n]  [美]['bɛg,in]
比根
3)  root-soil
根土
4)  R/S
根/冠比
1.
The results of the trial indicated that rape fresh weight and root weight have been enhanced markedly by applied city sludge, applied city sludge was beneficial to optimize rape R/S; and rape uptake of N,P,K were increased by applied city sludge.
结果发现:适宜的污泥用量可显著提高盆栽油菜的生物量和根重,并有助于盆栽油菜根/冠比指标的优化;同时,污泥施用比化肥更能促进盆栽油菜对N、P、K元素的吸收,能有效提高这些营养元素的利用效率;但当污泥用量达到6g/kg土时,污泥对盆栽油菜产量提高的促进作用会明显降低。
5)  root shoot ratio
根冠比
1.
The root shoot ratio of the treated seedlings was raised to 109%-157%, the combined water content was enhanced, the free water content in leaf tissue was lowered and thus increased the ratio of the above two to 0.
结果表明 ,在大十字期喷施S330 7可以抑制烟苗节间的伸长 ,降低烟苗株高 ;烟苗的根冠比提高10 9%~ 15 7% ;降低烟苗叶组织中自由水含量 ,提高束缚水含量 ,束缚水与自由水的比值增加0 。
6)  Specific root length
比根长
1.
01);and 4)the root biomass,specific root length,and root surface area at different soil depths differed significantly under different groundwater tables(P<0.
01);4)不同土壤深度的根生物量、根质量密度、比根长、根表面积对地下水埋深变化的响应也有显著差异(P<0。
补充资料:2-氨基巴比土酸
分子式:C4H5N3O3
分子量:143.10
CAS号:118-78-5

性质:白色粉末状晶体。熔点>400℃。溶于热水。

制备方法:由2-硝基巴比土酸还原得到。

用途:用于有机合成。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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