成都平原马铃薯化肥减施试验

Science and technology of Sichuan agriculture(2020)

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Abstract
通过不同的基肥配方,在成都崇州羊马开展秋、冬两季马铃薯生产化肥减施试验,发现施用600kg/hm2土藏金+750kg N17-P17-K17复合肥效果最好;在化肥纯量投入减少28.10%的情况下,产量增加7%左右,利润增加10%以上.建议在马铃薯基肥中引入有机质和菌肥代替部分化肥,但也不可盲目大量减施化肥.
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