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1 试验地点:铜陵县老洲乡新庄村2 材料与方法2.1 供试土壤 0～1.7厘米(ｃｍ)有机质121%,全氮0.07%,速效磷6毫克/公斤(ｍｇ/ｋｇ),速效钾45毫克/公斤(土壤严重缺钾)。2.2 供试肥料 生物钾肥,南京大学研制,产品标准ＮＹ207-91,菜籽饼、人畜肥、土杂肥、碳铵。2.3 供试品种
1 Test Location: Xinzhuang Village, Laozhou Township, Tongling County 2 Materials and Methods 2.1 Soil 0-1.7 cm soil organic matter 121%, total nitrogen 0.07%, available phosphorus 6 mg / kg, available potassium 45 Mg / kg (severe potassium deficiency). 2.2 fertilizer for biological test of potassium, Nanjing University, product standards NY207-91, rapeseed cake, fertilizer, Tuzafei, ammonium bicarbonate. 2.3 for the test varieties