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1 试验条件 试验地点在温岭市新街镇水产养殖场,选择一口4亩左右的养殖塘经整理分隔成两口各为1.5亩面积的试验塘(分别为1#、2#)。每池中央建一长形“蟹岛”,占池面积的15%~20%,其上种植芦苇、水草等,供蟹种栖息。池底挖环沟,沟深0.5m,沟宽2m。
1 Test conditions Test site In Xinjie Town, Wenling Aquaculture Farm, select a 4 acres of farming ponds are separated into two 1.5-acre test ponds (1 #, 2 #, respectively). The center of each pool to build an elongated “crab island”, accounting for 15% to 20% of the pool area, on which planted reeds, aquatic plants, for crab species habitat. Digging ditch bottom groove, groove depth 0.5m, groove width 2m.