Chemical vegetation management : proceedings of a symposium organized by the Plant Growth Regulator Society of America held at San Antonio, Texas, August 1, 1988 /Publisher: Athens, GA : Plant Growth Regulator Society of America,
Date: [1988?] This title can be found in 1 Iowa libraries.
Régulateurs naturels de la croissance végétale : Gif s/Yvette,15-20 juillet 1963.Publisher: Paris : Centre National de la Recherche Scientifique,
Date: 1964. This title can be found in 1 Iowa libraries.
The chemistry and mode of action of plant growth substances ; proceedings of a symposium held at Wye College (University of London) July 1955 /Publisher: New York : Academic Press,
Date: 1956. This title can be found in 1 Iowa libraries.
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