三江平原低湿耕地玉米钾肥施用的研究  

STUDIES ON THE POTASSIUM APPLICATION OF CORN OV THE LOW DAMP LAND IN SANJIANG PLAIN AREA

作　　者：王法政 董雅茹 杨克军 张安民 

出　　处：《黑龙江八一农垦大学学报》1994年第3期13-16,共4页journal of heilongjiang bayi agricultural university

摘　　要：在白浆上低温耕地上种植玉米,施用钾肥增产效果明显,增产13.2%～39.7%,特别是K2SO4.施用量达225kg/hm2时,增产效果最显著。试验结果表明:施用钾肥能促进产量性状提高,植株生长状况改善,经济效益也明显。The effect of increase in yield of potassium application of corn was clear on the low damp land of Baijiang soil.The yield was increased 13.2—39.7%.Especially when application amount of potassium sulfate was 225kg/ha2, the effect of increase in yield Was notable.The results showed that increas-e of the character of yield,growth performance of plant was promoted, when the potash fertilizer was applied.The economic effect of potassium application was notable

关 键 词：玉米 钾肥 三江平原 低湿耕地 

分 类 号：S513.062[农业科学—作物学]