我站于去年引进地膜洋葱套玉米高产栽培技术,在2.2亩责任田试种,经乡农科站实打验收,亩产“洋葱1994公斤, 玉米807公斤,产值2000多元 其具体做法是: 选择上质好,有水浇条件的沙壤土,早春深耕整地。用犁开沟,以带距80～90厘米做底宽80厘米、上宽60 I stand last year to introduce high-yielding plastic film onion cultivation techniques, in the 2.2 acres of responsibility field test, the real agricultural station test, the output of "onion 1994 kg, 807 kg of corn, the output value of more than 2,000 yuan its specific approach is: choice Good quality, with irrigated sandy loam conditions, early spring deep plowing the earth with plow ditches, with a distance of 80 to 90 cm to do the bottom width of 80 cm, the width of 60