NELSON, DONALD CARL.
Overview
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Titles
A STUDY OF PLANT COMPETITION BETWEEN PEAS (PISUM SATIVUM L.), AND TWO WEEDS, MUSTARD (BRASSICA HIRTA MOENCH) AND FOXTAIL MILLET (SETARIA ITALICA (L.) BEAUV.).
by:
University of Minnesota.; NELSON, DONALD CARL.
(Language materials, printed)
Subjects