登入選單

返回Google圖書搜尋

Flowering in 'Eckespoint C-1' Poinsettas As Influenced by Propagation Date and Photoperiod

Oklahoma Agricultural Experiment Station

出版	1973
URL	http://books.google.com.hk/books?id=wGH9cQAACAAJ&hl=&source=gbs_api