最近几年来,越来越多的生产实践表明,采用各种颜色的农用塑料薄膜,能对各种农作物的生长发育产生特异的效果。这项成果将为农业作物的增产开创广阔的前景。 实践证明,在红色塑料农膜下,胡萝卜长得特别快,甜菜长得特别甜,大大提高了含糖 In recent years, more and more production practices have shown that using a variety of agricultural plastic film colors, can have a specific effect on the growth and development of various crops. This result will open up broad prospects for the increase of agricultural crops. Practice has proved that under the red plastic sheeting, carrots grow particularly fast, beets grow particularly sweet, greatly improving the sugar