R. J. Schraa is an author at University of Alberta specializing in crop protection, botany, and engineering.
Top concepts
BotanyEngineeringCrop ProtectionBiologyLand UseBiochemistrySoil ScienceBiogeochemistryPlant PathologySocial Sciences
Publications per year
1962–1976
2
2
Wm. G. Corns, R. J. Schraa · Canadian Journal of Plant Science · 1962 · 10 citations
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