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The Effect of Roundup Concentration Towards the Net Photosynthetic Rate of Weeds and the Effect of Copper(II) Ions Toward the Effectiveness of Roundup

Yen Ling Lee

出版	Universiti Pertanian Malaysia, 1993
URL	http://books.google.com.hk/books?id=egNPtAEACAAJ&hl=&source=gbs_api