农作物产量与土壤表层颜色有关美国科学家经过研究后得出结论：农作物产量与土壤表层颜色有关。通常认为，叶子的正面对光合作用起主要作用。但是新的研究表明．土壤的反光对叶子的背面山有很重要的作用。科学家给土壤铺上一层彩色塑料薄膜或干草。结果，“红色”土壤上生... Crop yield and color of the soil surface After the scientists in the United States concluded: crop yield and soil surface color. It is generally accepted that the front of the leaf plays a major role in photosynthesis. But new research shows. Reflective soil on the back of the mountain leaves have a very important role. Scientists coat the soil with colored plastic film or hay. As a result, “red” soil students ...