R.J. Bula

1. Importance of `Blue' Photon Levels for Lettuce Seedlings Grown under Red-light-emitting Diodes
   1992/05/01 by M.E. Hoenecke, R.J. Bula, R. J. Bula +2 · 24 citations
   Agricultural and Biological Sciences · #Light effects on plants #Greenhouse Technology and Climate Control #Plant Molecular Biology Research