英德
有道
百度
谷歌
图片
维基
百科
老成土 [lǎo chéng tǔ]
ultisol
ustisol
ustisol
- 研究了柠檬酸、葡萄糖和有机质（栎树类凋落物和三叶草茎叶）对几种栽培和野生植物磷素吸收以及高度风化老成土中磷素形态的影响。
The effect of citric acid and glucose on P uptake by different species of cultivated and wild plants, and P fractionations of the soil was investigated in an acidUltisol. - 土壤（强发育湿润老成土）主要为淡棕色细壤质砂土到细砂质壤土，随着深度增加，土壤变为棕色砂质粘壤土和带有红色斑点的砂质粘土。
The soils (Paleudults) consist predominantly of light brown fine loamy sand to fine sandy loam changing with depth into a brown sandy clay loam and sandy clay with red mottles.
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