短语词组短语poor phosphorus soil 低磷土壤Poor soil tolerance 耐瘠薄poor soil layer 劣质土层lean soil poor soil 贫瘠土壤poor soil fertility 贫瘠的土壤肥力tolerant to poor soil 耐瘠土的phosphorus -poor soil 缺磷质的土壤in poor soil 在贫瘠的土壤中 返回 poor soil