对植物生长有效的土壤含水量范围对应的土壤水势范围为（）

答案查看网，轻松搜题/搜资源

【单选题】【消耗次数：1】

① -3~-15bar

② -3~-31bar

③ -1/3~-31bar

④ -1/3~-15bar

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