搜索结果: 1-1 共查到“土壤地理学 N - P - K levels”相关记录1条 . 查询时间(0.265 秒)
Quantitative and qualitative changes of humus in whole soils and their particle size fractions as influenced by different levels of compost application
Paddy and Upland Fields Straw-Cow Dung Compost
2013/3/4
Effect of long-term application (ca. 30 years) of compost at different levels on humus composi-tion of whole soils and their particle size frac-tions in a field subjected mainly to double cropping (ba...