植物的生长需要多种无机盐其中需要量最多的是含 含 的无机盐.但是不同的植物器官对这三种无机盐的需求量不一样如果一个农场种植小白菜应 Template




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tomski植物的生长需要多种无机盐其中需要量最多的是含 含 的无机盐.但是不同的植物器官对这三种无机盐的需求量不一样如果一个农场种植小白菜应 coloring