利用农膜来达到增产的效果,可以说是最划算的。农膜有多种颜色,每种颜色的农膜都有其特定的功能。红色农膜可以使作物叶片吸收功能增强,生长旺盛,特别是对胡萝卜效果更佳,可使肉质根迅速膨大,提早上市。 透过黄色农膜的黄光、橙色光,可以使扁豆荚果肥壮,使莴苣和芹 The use of plastic sheeting to achieve the effect of increased production can be said to be the most cost-effective. Agricultural film has a variety of colors, each color of plastic sheeting has its own specific function. Red plastic sheeting can enhance crop leaf absorption, vigorous growth, especially better for carrots, can quickly expand the fleshy root, an early listing. Through the yellow plastic sheet of yellow, orange light, can make lentils pods fat, so that lettuce and celery