单词：marginal land hypothesis
单词：marginal land hypothesis 相关文章
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
Dale Aden has been farming most of his life, just like his father, and his fathers father. I am a third generation farmer on this land. His land is in Okabena, Minnesota, right along the Okabena creek, where for many years, Aden watched helplessly a
国家地理2008年
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
VOA慢速英语2007年（十一）月
Dale Aden has been farming most of his life, just like his father, and his fathers father. I am a third generation farmer on this land. His land is in Okabena, Minnesota, right along the Okabena creek, where for many years, Aden watched helplessly as
自然百科2008年
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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