jiayanwuu 发表于 2021-3-8 09:11 苗多,忘了交代了。 |
| 溶氧低,阻碍氮转化 |
| 喂三餐,一餐55斤,一天投喂这么多,算过量了吗?还是密度高了,是不是要看有多少苗? |
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