单词：livestock husbandry farming
单词：livestock husbandry farming 相关文章
In Australia, its not just livestock hit hard by draught, but the next generation of farmers. At 24, Robert Watt, a farmer from Alectown, a region of Australia, has had seven seasons on the farm, but not one year of profit. He says the draught, plus
自然百科2016年
In Australia, its not just livestock hit hard by draught, but the next generation of farmers. At 24, Robert Watt, a farmer from Alectown, a region of Australia, has had seven seasons on the farm, but not one year of profit. He says the draught, plus
国家地理2008年
By Peter Heinlein Addis Ababa 15 May 2008 Growing enough food to alleviate shortages in African countries is not easy, but an agro-ecologist in Ethiopia thinks he has the answer: bio-farming. The technique uses animal waste products to produce energy
VOA标准英语2008年（五月）
Researchers get same yields with fewer fertilizers, pesticides Steve Baragona | Washington, DC 18 May 2010 Fossil energy use was compared among different crop rotation systems in a field experiment conducted between 2003 and 2008 in Boone Co., Iowa R
VOA标准英语2010年(五)月
land,soil 土壤 arable land, tilled land 耕地 dry soil 旱田 fertile soil 沃土,肥沃的土壤 humus 腐殖质 irrigable land 水浇地 lean soil, poor soil 贫瘠土壤 wasteland, barren land 荒地 grass 草 grassland 草地 meadow 草甸 prairie 大草原 pasture land 牧场
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