论文部分内容阅读
1999年4月上旬,西安丰汇现代农业发展有限公司从北京引入京秀葡萄自根苗5000余株,建立引种示范园。为了充分了解它的适应性表现,笔者对其进行了实际观察。1 基本情况该引种园位于西安市长安县大兆乡郭庄村,海拔650m,年平均气温13℃,全年降水量约600mm,年日照2050小时,无霜期20
In early April 1999, Xi’an Feng Hui Modern Agriculture Development Co., Ltd. introduced more than 5,000 Jingxiu grape self-rooted seedlings from Beijing and established an introduction demonstration garden. In order to fully understand its adaptive performance, I conducted a practical observation of it. 1 Introduction The introduction garden is located in Guozhuang Village, Dazao Township, Chang’an County, Xi’an with an elevation of 650m and an annual average temperature of 13 ℃. The annual rainfall is about 600mm and the annual sunshine duration is 2050 hours. The frost-free period is 20