聚丙烯酰(酉安)是一种含氮极丰富的化合物,不仅能给土壤施肥.同时还能固结土壤。不久以前,苏联科学院勘察队来到了库尔斯克砂嘴。科学家们在砂嘴上选择了两公里的砂地,并在上面浇上黄褐色混有 Polyacryloyl is a highly nitrogen-rich compound that not only fertilizes the soil, but also consolidates the soil. Not long ago, the Soviet Academy reconnaissance team came Kursk sands. Scientists chose two kilometers of sand on the mouth of the sand and mixed it with tawny colors