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我们进行的多品种混养成鱼高产试验,经过五个月的饲养,取得了每亩毛产1497.7斤净产1049.8斤的初步成果,试验如下:一、试验材料和方法试验池为本场渔科队的小丝湖,面积七亩,是经过今春整修加深而成,底质硬。试验期间平均水深1.90米,PH 值7.4,溶解氧6.6毫克/升,水温22℃—34℃,试验从5月20日开始至10月21日结束,共152天。
We conducted multi-species polyculture fish into high-yield test, after five months of breeding, made per acre gross output of 1497.7 kg net 1049.8 kg net preliminary results, the test is as follows: First, the test materials and methods The test pond for the fishing Branch of the Silk Road, an area of seven acres, is deepened by the renovation of this spring, the bottom of the hard. During the test average depth of 1.90 m, PH value of 7.4, dissolved oxygen 6.6 mg / l, water temperature 22 ℃ -34 ℃, the test from May 20 to the end of October 21, a total of 152 days.