１９９９－２０００年我们在面积２２亩的池塘中进行以罗氏沼虾为主、虾鱼混养试验，取得了较好的经济效益。现将主要试验过程及技术措施介绍如下。 一、材料 １．池塘条件 本试验池面积为２２亩，东西走向，长方形，不渗漏，保水性能好，排灌方便，水源为外河无污染水，水质清 From 1999 to 2000, we conducted a polyculture experiment with shrimp Macrobrachium rosenbergii in a pond of 22 mu in area, and achieved good economic benefits. Now the main test process and technical measures are described below. First, the material 1. Pond conditions The test pond area of ​​22 acres, east-west, rectangular, no leakage, good water retention, irrigation and drainage convenience, water for the polluted water outside the river, water quality