equilibrated expansion joint 均衡膨胀接头 soil equilibrated phosphorus 土壤磷的平衡 recovery of soil-equilibrated potassium 恢复土壤全部的平衡 ..
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土壤养分的平衡分析结果表明，成都平原耕地土壤管理宜采取“稳氮、控磷、增钾”的施肥方法和严格控制各种点源和非点源污染物进入土壤。
The balance analysis results of soil nutrient indicated that the fertilization methods of cropland management in Chengdu Plain were firming nitrogen, controlling phosphorus and increasing potassium.
不同性质的土壤，适宜作物生长的土壤平衡溶液磷浓度差异不大。
Phosphatic concentration in equilibrium solution suitable for plant growth is more or less the same in different soils.
潜流和表流区除磷效果不明显，可能是因为湿地运行了两年多，土壤吸附交换达到平衡，影响了表流区的除磷效果。
The removal effect of phosphorus in SSF and FWS units is not noticeable, probably due to the saturation of soil adsorption after more than two years operating for the FWS unit.
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