厩肥、秸秆和绿肥的含钾状况及其对土壤和作物钾素的供应能力
周晓芬, 张彦才, 李巧云, 步丰骥
Potassium Status in Barnyard Manure,Crop Residue and Green Manure and Their Capability of Supplying Potassium to Soil and Crop
Zhou Xiaofen, Zhang Yancai, Li Qiaoyun, Bu Fengji
华北农学报
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1999, (4): 83
-87
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DOI: 10.3321/j.issn:1000-7091.1999.04.016
