搜索结果: 1-1 共查到“水产学 Profit”相关记录1条 . 查询时间(0.046 秒)
Comparative assessment of the profit margin of catfish reared in concrete tank and earthen pond
Catfish culture media profitability
2009/3/4
This study was conducted using the same feeding strategies and stocking density to determine the effect of using two different rearing facilities (earthen and concrete) of the same size (10 x...