Combining pot experimentation and chemical analysis, good ameliorative effects are gained by adding peat on appropriate proportion level and planting alfalfa and white clover.
结合盆栽试验和室内分析，矿土中添加合适比例的泥炭并种植紫花苜蓿、白三叶草后取得了较好的改良效果。
2
The effects of lime, peat, calcium magnesium phosphate and si fertilizer were studied in the first pot experiment.