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１９９９年６月，我单位引进了澳洲淡水龙虾，至１０月中旬养殖结束，产量折合１４９．３公斤／亩。现将试验情况综述如下： 一、材料和方法 １．池塘 池塘位于我县北部白马河北岸的沙滩荒地上，面积为８００米２（１．２亩），池壁坡比１：５，最大深度１．５米，沙质土，微渗
In June 1999, my unit introduced Australian freshwater lobster and ended the breeding in mid-October with a yield of 149.3 kg / mu. The test situation is summarized as follows: First, materials and methods 1. Pond pond is located in the northern bank of the northern white horse river beach wasteland, an area of 800 m 2 (1.2 acres), the ratio of 1: 5 slope wall, the maximum depth of 1.5 meters, sandy soil, micro-seepage