关键词: 文冠果, 人工林, 资源数量, 分布, 甘肃省

Abstract: In 2010-2012,the investigation was conducted on development history,quantity,distribution and growth conditions of artificial plantation resources of Xanthoceras sorbifolia Bunge in Gansu province.The results showed that X.sorbifolia artificial plantation underwent 2 development stages in Gansu,namely between 60s and 80s of the 20^th century and between the years of 2008 and 2012 of the 21^st century.Its planted area included 10 cities(Qingyang,Pingliang,Tianshui,Longnan,Dingxi,Baiyin,Lanzhou,Wuwei,Zhangye,Jiuquan)of 14 municipalities(prefectures)in Gansu province.The amount of artificial plantation resources reached more than 2.18×10⁴hm².Among them,more than 2.67 hm² was the resources planted between 60’s and 80’s of the 20^th century,which are mainly distributed in central area and Hexi area of Gansu,and now grow well.The remaining part of the resources was planted in the years between 2008 and 2012,mainly planted in returned farmland,cropland and wasteland,its cultivated areas included 8 cities above except for Jiuquan and Longnan.In terms of the growth conditions,the seedlings planted in cropland are growing best,followed by those planted in those planted in returned farmland and those planted in wasteland and lowland are worse.

Key words: Xanthoceras sorbifolia, artificial plantation, amount of resources, distribution, Gansu province