所述方法包括设置隔离层,铺设盲沟,修筑集水 井,改善土壤理化性状。
The method comprises the flowing steps: arranging the isolation layer, laying the blind drains, constructing the water-collecting well, and improving physical and chemical soil properties.
结果表明,各施肥区均不同程度地改善了土壤理化性状,提高了作物产量。
The results are as follows. The physical and chemical soil characters ere improved in every experimental plot, and the crop yield was increased in varying degrees.
结果表明,各施肥区均不同程度地改善了土壤理化性状,提高了作物产量。
The results are as follows. The physical and chemical soil characters ere improved in every experimental plot, and the crop yield was increased in varying degrees.
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