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A Combination Anhydrous Ammonia Applicator and Four-row Bedder
Mississippi Agricultural Experiment Station
O. B. Wooten
E. Buford Williamson
Floyd E. Fulgham
出版
Mississippi State University, Agricultural Experiment Station
, 1960
URL
http://books.google.com.hk/books?id=EJA5zgEACAAJ&hl=&source=gbs_api