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对虾属变温性水生动物,其生活与生长自然受水温的制约。1991年,我们借鉴乐亭县的经验,再次搞了应用塑料大棚增温,大水面大密度暂养对虾苗种的试验。以期翌年推广全县。至此,试验工作已全部完毕,现将实验情况报告如下: 一、试验规模及结果全县共搞塑料大棚10个,总面积8亩。全部试验均在柳赞乡境内。开始,有的试验单位困缺乏经验,建棚不牢,试验期间有四个单位和个人的6个棚顶被大风掀掉,被迫
Shrimp is a temperate aquatic animal, its natural life and growth by the water temperature constraints. In 1991, we learn from the experience of Laoting County, once again engaged in the application of plastic greenhouses warming, large surface water holding of shrimp seed trials. The following year to promote the county. At this point, the experimental work has been completed, the experimental conditions are reported as follows: First, the scale and results of the trial A total of 10 plastic greenhouses, a total area of 8 acres. All tests are in Liu Zanxiang territory. At the beginning, some experimental units lacked experience and were left unarmed. During the experiment, there were 6 roofs of four units and individuals that were forced off by the strong winds and were forced to