摘要
本文总结了山西7年来核桃良种推广情况,指出了存在问题。介绍了早实核桃新品种的主要特性,提出了良种推广途径及栽培范围。强调了基地建设与普及栽培技术的重要性。
The extension status of the improved walnut varieties in Shanxi Province in the past 7 years is summarized, and the related problems are pointed out. Meanwhile, the main features of the new early walnut varieties are described, followed by a discussion of the extension steps and geographically cultivable limits. Finally, the importance of walnut production base construction and cultivating techniques is stressed.
出处
《经济林研究》
1993年第1期18-22,共5页
Non-wood Forest Research
关键词
核桃
品种
良种推广
山西
walnut
improved variety
extension
Shanxi Province.
