【慢速VOA】２００８-１１-１７
Food for Thought: Starting a Fish Farm (1/2) ( 本次听写约207词 )[下载今日慢速VOA听力资料mp3版] (右键另存为)
本听写稿由plasma听写，来自沪江VOA听写系统
A listener in the Abuja, Nigeria, named Okorie wants to know more about fish pond farming. Raising fish in ponds with of standing water get can work well on a traditional farm. Animal and * crop waste can be used to fertilize the pond and feed the fish. And * mud from the bottom of the pond can be used to fertilize the * also warter crops. Also, water for the pond farm can be stored in the pond with the fish.
Experts say ponds with service a surface area smaller than 100 square meters may not be profitable. But those * * area larger than 1 hectare（公顷） may cost too much and be difficult to manage.
Pond farming is one kind of argricultureaquaculture（水产业）. Other fish farmers farms are connected to sources of free flowing free-flowing water alike -- a lake, river or oecanocean. This way you may not have to feed the fish. They can need waste eat weeds（杂草） and small organic organisms（有机物）, like * plankton（浮游生物） and *algae（藻类）. Fish can also be raised in tankseven indoor's , either indoors or outdoor'soutdoors. The site in
Deciding which kind of fish to raise , depends on the water quality, salt content and temperature. The best ideal idea, experts say, is to raise fish that normally live in the source of water that you useduse. Also, you should remove wild fish* , or else they could eat your fish.
| 听写于：2008-11-17 13:07 | 用时：40:22 | |
| 正确率：81% (+15.5分) | 错词：43个 |
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