The egg mass rate, megalopa yield, growing rate and the survival rate of the young Chinese mitten crab are promoted significantly while proper ratio ground water is applied to the cultivation.

通过适量地下水在育苗中的使用，使蟹苗在抱卵率、大眼幼体产量、生长速度及成活率等技术指标上有明显提高，这对中华绒螯蟹育苗研究和指导养殖有重要意义。

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Compared with submerged irrigation, the growth of root, accumulation of above-ground dry matter, grain yield and water use efficiency were decreased significantly under dry cultivation.

旱种抑制水稻根系生长和地上部干物质积累，产量和水分利用率比淹水灌溉显著降低。

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