探究适宜的摩尔多瓦葡萄渗灌方案;基于毛细芯渗灌,采用单因素三水平随机区组试验,水量设置3个水平:环状(A30*3)、环2/3(A30*2)和环......

In the areas of seasonal and perennial frozen soil, soil layers always contain different exent free stagnant water and f......