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1玉米地膜覆盖栽培现状1.1主要分布龙江县中部丘陵漫岗地区的沟塘地块,包括景星、山泉、七棵树、鲁河。近年来,东南部平原区的黑岗、头站、哈拉海及西部低山区的龙兴的沟谷平地也有了一定面积的发展。1.2玉米地膜再度兴起的原因龙江县中部丘陵地区的低洼地。种植玉米产量仅5 250~6 000kg/hm~2。低产的原因主要是秋季多雨年份,
1 corn mulching cultivation status 1.1 The main distribution of Longjiang County middling hilly area ditch pond blocks, including the King Star, spring, seven trees, Luhe. In recent years, Hegang, the first station in the plains area of the southeastern plains, the Halahai and the valley of the valley of Longxing in the western low mountainous area have also had some area development. 1.2 The reasons for the rise of corn film Longjiang central hilly areas of low-lying land. Corn production is only 5 250 to 6 000 kg / hm 2. The main reason for the low yield is the rainy autumn months,