第二讲 养鳖场地的建造 1.养鳖场地的选择 养鳖场地的选择是根据鳖的生态习性、生产方式、生产规模来决定的。首先必须考虑环境安静、阳光充足的地方;另一要考虑的重要条件是水源。无论选用江、河、池塘等地表水时都要选择没有污染的水源。地下水一般无污染,全年水温较稳定,但有些地下水含有毒气体,如二氧化硫等。另外,大部分地下水 Second, rearing turtles site construction 1 rearing turtle site selection rearing turtle site selection is based on the ecological habits of turtles, production methods, the scale of production to decide. First of all, we must consider the environment is quiet, sunny place; Another important condition to consider is water. Regardless of the selection of rivers, rivers, ponds and other surface water have to choose not to pollute the water. Groundwater is generally non-polluting and the water temperature is stable throughout the year, but some groundwater contains toxic gases such as sulfur dioxide. In addition, most of the groundwater