【摘要】 作物专用掺混肥在砂姜黑土地区施用取得了良好的效果。施用小麦、玉米、甘薯、苞菜等 4种专用掺混肥比当地常规施肥分别增产 9.7%、12 .6%、13 .7%和 16.8% ,1hm2 分别增收 811、80 5、12 41和 3 70 5元。 4种专用掺混肥 ,以甘薯专用掺混肥的产投比最显著 ,其余依次为苞菜、小麦和玉米专用掺混肥更多还原

【Abstract】 The effect of the application of special compound fertilizer in shajiang meadow soil was obvious in the improvement of crop yield; wheat yield was increased 9.7%; corn, 12.65%; sweet potato, 13.75% and cabbage, 16.8% after the fertilizer was applied. The result indicated that the rate of output/input was highest in the application of sweet potato fertilizer compared with other crop fertilizers.更多还原