登入選單
返回Google圖書搜尋
註釋This publication contains 24 reports representing 13 countries. Nineteen of them report the results (up to 10-year results) of the International Union of Forest Research Organizations (IUFRO) International Sitka spruce Provenance Experiment. Papers are organized by country and include abstracts. They also cover insect pests, performance and geotypic stability, and prevention of the Sitka spruce weevil.