登入
選單
返回
Google圖書搜尋
N.C. Porto Rico 198
Daniel Townsend Pope
North Carolina Agricultural Experiment Station
其他書名
An Improved Strain of the Porto Rico Sweet Potato Variety
出版
Agricultural Experiment Station, North Carolina State University at Raleigh
, 1966
URL
http://books.google.com.hk/books?id=3n14KAR14h8C&hl=&source=gbs_api