Result shown: the wheat straw mulching is best way for water saving, but the saving efficiency is related directly with the method of straw utilization in the paddy field.
结果表明：不同覆盖物中，麦秸的节水效果最好，但还田方式与节水效果直接相关。
Micro-study show that the paddy-field-fish-culture can remarkably promote the utilization-ratio of agriculture resource in Guangxi province.
微观现状研究表明：广西稻田养鱼显著地提高了农业资源利用效率。
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