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Effect of Soil Moisture and Fertilizer Placement on Vitality of the Potato Seed Piece
Byron S. Peterson
Ernest George Ritzman
Ford Smoot Prince
Harry Clark Woodworth
Ormond Rourke Butler
Stuart James Robert Dunn
Gordon P. Percival
Paul T. Blood
出版
New Hampshire Agricultural Experiment Station
, 1941
URL
http://books.google.com.hk/books?id=x8JQAQAAMAAJ&hl=&source=gbs_api