短语词组短語poor phosphorus soil 低磷土壤Poor soil tolerance 耐瘠薄poor soil layer 劣質土層lean soil poor soil 貧瘠土壤poor soil fertility 貧瘠的土壤肥力tolerant to poor soil 耐瘠土的phosphorus -poor soil 缺磷質的土壤in poor soil 在貧瘠的土壤中 返回 poor soil