岗地褐土施用钾肥对甘薯产量和甘薯品质的影响  

Effect of applied K Fertilizer in downland drab soli on sweet potato yield and quality

作　　者：杨英华[1] 

机构地区：[1]邯郸农业高等专科学校,河北永年057150

出　　处：《邯郸农业高等专科学校学报》2000年第1期4-6,共3页Journal of Handan Agricultural College

摘　　要：钾肥对甘薯薯块的产量起决定作用 ,田间试验表明 ,种植在岗地褐土上的甘薯 ,每公顷施 K2 O75～ 12 0 kg,产量可增加 4 10 1.8kg/ hm2～ 6 0 4 7.9kg/ hm2 ,并可改善甘薯品质 。K Fertilizer plays an important part in the yield of sweet potato,the results from field tests showed that when 75～120kg/ha K 2O was applied for sweet potato growing on downland drab soil,the yield increased to 4101.8～6047.9Kg/ha and the qulity of sweet potato was improred.

关 键 词：甘薯 钾肥 产量 品质 岗地褐土 施肥 

分 类 号：S531[农业科学—作物学]