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The Eradication of Farm Weeds with Iron Sulphate

Ransom Asa MooreUniversity of Wisconsin--Madison. Agricultural Experiment StationAlden Lescombe Stone

出版	University of Wisconsin, Agricultural Experiment Station, 1909
URL	http://books.google.com.hk/books?id=Lx4zzgEACAAJ&hl=&source=gbs_api