一、川芋4号马铃薯 川芋4号于1997年通过四川省农作物品种审定委员会审定。该品种1992—1994年参加四川省区试,3年21点次平均鲜薯亩产1624.9公斤,较生产上推广品种米拉等增产29％。 特征特性:花冠白色,块茎黄皮白肉,芽眼较浅。喜光、短日照、耐旱、不耐肥,栽培上宜冬春旱播,氮肥不宜重施,荫蔽 First, Sichuan potato potato No. 4 Sichuan Sichuan potato No. 4 in 1997 by the Sichuan Provincial Crop Variety Approval Committee. The variety 1992-1994 to participate in the Sichuan provincial trial, three years 21 points average fresh potato yield of 1624.9 kilograms, compared with the production of rice varieties such as the promotion of increase of 29%. Characteristics: Corolla white, tuber yellow white meat, eye shallow eyes. Hi light, short sunshine, drought, not fattening, cultivation should be winter and spring dry broadcast, nitrogen fertilizer should not be re-applied, shade