单词：system of rotating green manure crops
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Agriculture Report - Surviving a Drought: A Farmer's Old-Fashioned Lessons This is the VOA Special English Agriculture Report. In recent days the remains of what had been Hurricane Isaac moved into the American Midwest. The storm brought rain to some
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AS IT IS 2015-11-26 Land Shares Help Farmers in Central Africa Plant Peace 非洲中部推土地股份协助农民种植作物 Three times a week, a group of smallholder farmers work together in a community field in Kirolirwe, a village in North Kivu
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This is the VOA Special English Agriculture Report. Sorghum farmers in eastern Uganda, working with scientists, have tested some lower-cost ways to improve their soil. Little rain and poor soil fertility are problems in that area, as in other parts
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East African Farmers Plant Seeds of Innovation East Africa has felt the effects of climate change over recent years. There have been frequent prolonged droughts, erratic seasonal rains and floods, all of which have put food security at risk. As a res
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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
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