论文部分内容阅读
稻田放养鳅苗一般120~150天即可长到8~15厘米长,增重4~8倍,达到外贸出口规格。 稻田要求:(1)杂草较少,没有地下水涌出,下大雨不漫水;(2)能经常保持水深3~4厘米;(3)田泥呈弱碱性;(4)流水口装上金属网、竹帘等防逃设备;(5)稻田四角挖面积为4~6米~2、深0.3~0.5米的鱼坑四个;(6)施足基肥,将四周田埂捶紧、加固。
Loach paddy field stocking generally 120 to 150 days to grow to 8 to 15 cm long, 4 to 8 times weight gain, to export specifications. Paddy field requirements: (1) less weeds, no groundwater gush, heavy rain does not diffuse water; (2) can always keep the water depth of 3 to 4 cm; (3) Tian mud was alkaline; (4) (5) four corners of the paddy field digging area of 4 ~ 6 m ~ 2, deep 0.3 ~ 0.5 m fish pit four; (6) Shi enough base fertilizer, Reinforced.