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Challenge to Agronomy for the Future
American Society of Agronomy
其他書名
Symposium Papers Presented at the Annual Meeting of the American Society of Agronomy in Stillwater, Oklahoma, August, 1966
出版American Society of Agronomy, 1967
URLhttp://books.google.com.hk/books?id=TGgVAQAAMAAJ&hl=&source=gbs_api