这 Book 用你的语言不存在, 用...查看: English (en),
或使用谷歌翻译:  

This comprehensive international guide discusses all aspects of crop research programs.  The authors and the contributing consultants stress the value of a strong crop research program and the ways in which policy decision by research scientists affect seed programs; the requirements and responsibilities in making initial seed multiplication of new varieties; quality control systems; and methods of developing well-organized extension amd marketing activities to help those transferring technology and supplying seed to farmers. They give special attention to the human, physical, financial, and external resources needed and outline how to meet these requirements.

出版物详细信息

  • 出版者: Westview Press
  • ISBN-10: 0891587934
  • Dewey Decimal: 631.521
  • ECHO 图书馆: 631.521 DOU