烏干達(dá)東部地區(qū)的土地非常貧瘠，使得農(nóng)業(yè)生產(chǎn)得不到發(fā)展，為此當(dāng)?shù)剞r(nóng)民和科學(xué)家一起施行土地增肥計(jì)劃
Mucuna takes nitrogen from the air and places it in the soil, enriching it. Professor Charles Wortmann, one of the Nebraska researchers, notes that the plants also reseed themselves. Another method that the scientists suggest is to plant sorghum during one growing season, followed by [wv]co…