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This is the VOA Special English Agriculture Report. Alfalfa is sometimes grown on marginal land We have a question from Jonah Ojowu in Benue State, Nigeria, about a subject we have discussed in the past. Jonah is a postgraduate student in soil and w
VOA慢速英语2008年（十二）月
Passage 21 Soils There are many different kinds of soils. Different soils have different types of rock and minerals in them than other. Some soils have more water in them than others. Some soils might have more plant and animal material in them, too
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Clearly, we have never understood what is causing desertification, which has destroyed many civilizations and now threatens us globally. 显然，我们从未明白什么导致了荒漠化，这种荒漠化已经毁掉了很多的文明社会，而现在
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This is the VOA Special English Agriculture Report. To call something marginal means it is not very good. Farmers have their own way to define marginal land: It is the last to be planted under good conditions, and the first to be avoided under poor c
VOA慢速英语2007年（三）月
AGRICULTURE REPORT - Farming Marginal Lands By Mario Ritter / Broadcast: Mon, 5 Nov 2007 16:00:00 UTC This is the VOA Special English Agriculture Report. An Australian farmer stands on land damaged by lack of rain last year To call land marginal mea
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AGRICULTURE REPORT - Farming on the Edge: Getting the Most Out of Marginal Lands By Mario Ritter Broadcast: Tuesday, August 02, 2005 I'm Barbara Klein with the VOA Special English Agriculture Report.
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