地膜玉米—早熟马铃薯是酒泉市近年来城郊农业发展中的一项高效立体种植模式,经过农技人员多年的试验,一般每公顷玉米产量13 050 kg、马铃薯产量12 000 kg,两茬作物合计产值在60 795元以上,经济效益十分显著。其主要栽培技术如下。1精细整地,施足基肥选择土层深厚、有机质含量高、排灌方便前茬未种过马铃薯的地块,深耕耱平,播种前每公顷深施优质农家肥75 t、碳酸氢铵750 kg)、过磷酸钙750 kg, Plastic film corn - precocious potato is Jiuquan City in recent years the outskirts of agricultural development in an efficient three-dimensional planting mode, after years of experimentation by agricultural workers, the general yield of 13 050 kg per hectare of corn, potato yield 12 000 kg, crop two crops total value Above 60,795 yuan, the economic benefit is very significant. The main cultivation techniques are as follows. 1 Fine soil preparation, application of sufficient base fertilizer Select deep soil layers, high organic matter content, irrigation and drainage to facilitate the previous crop of not planted potato plots, deep plowing, hectare per hectare prior to sowing high-quality farmyard 75t, ammonium bicarbonate 750kg) , Superphosphate 750 kg,