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三黄塘角鱼养殖方法
更新时间: 2021-04-25 14:06:12  

1、鱼苗培育池条件:水源充足,水质清新,注排水方便;池形整齐,面积0.5~1亩为宜,水深保持在50~100厘米,前期浅,后期深。池底平坦,淤泥深10厘米左右,池底、池边无杂草。在出水口处设一个长方形集鱼凼,以利于鱼苗集中捕捞。池堤牢固,不漏水。周围环境良好,向阳,光照充足。池塘水质浑浊度小,pH7~8,溶氧量在5毫克/升以上,透明度为30~40厘米,认真做好鱼苗培育池的清理与消毒工作。

2、培肥池水:有机粪肥:一般在鱼苗下塘前3~5天施肥,每亩施经发酵消毒的有机粪肥300~500千克,视培育池塘肥度而增减;大草绿肥:一般在鱼苗下塘前7~9天堆沤,每亩施300~400千克;化学肥料:为了加速肥水,可兼施化学肥料,一般每亩施氨水5~10千克,或硫、尿素、氯化铵等4千克,过钙3~4千克。

关键词: 养殖 方法

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