首页> 外文OA文献 >Studies on the Stability of Soil Humus : VII. On the reaction with humic acids extracted from a series of volcanic ash upland soils of the four groups in Ibaraki and Kagoshima Prefectures, of different productivity in each group, by various chromic sulph
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Studies on the Stability of Soil Humus : VII. On the reaction with humic acids extracted from a series of volcanic ash upland soils of the four groups in Ibaraki and Kagoshima Prefectures, of different productivity in each group, by various chromic sulph

机译:土壤腐殖质稳定性研究:VII。关于与茨城县和鹿儿岛县四组火山灰土壤中提取的腐殖酸的反应,各组生产率不同,各种铬硫化物

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