摘要
油菜(黄芥)是山西省高寒地区主要油料作物之一,栽培历史悠久,年种植面积约20万hm2,一般单产约为600kg/hm2。近年来,由于虫害严重,造成减产,如阳高县后营乡1996年333.3hm2油菜,平均单产只有187.5kg/hm2,有的甚至绝收,严重...
To counter rape-growing features in high and cold ereas of Shanxi Province, putting forward main technical measures of paying great attention to prevention of insect pest while selecting improved varieties, applying fertilizer rationally and strengthening field management for the purpose of getting high and stable yields of rape .
出处
《科技情报开发与经济》
1998年第6期47-48,共2页
Sci-Tech Information Development & Economy