关键词: 精养池塘, 精养池塘, 水质, 生物净化技术

Abstract:

On the basis of the common plastic shed, the improve plastic shed was constructed, and opacity materials were added. In this trial, the temperature in the improve plastic shed and the common plastic shed was constrasted, utilizing rate, construction cost and income of the improve plastic and the common plastic shed were compared too, the results showed that the temperature in the improve plastic shed was significantly higher than the common plastic shed in January, performances of keeping warm and warm-up were superior to the common plastic shed, vegetabales was producted one month earlier in spring and one month later in autumn and winter, hardy vegetables could be also producted in winter, the income of the improve plastic shed was significantly higher than the common plastic shed.