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Margaret J. Vergeront was born in 1946.
A. J. Winkler has written:
'Berry thinning of grapes' -- subject(s): Thinning, Grapes
'Maturity tests for table grapes' -- subject(s): Ripening, Grapes
Margaret J. Osler died on 2010-09-15.
Margaret J. Osler was born on 1942-11-27.
Margaret J. Hoad has written:
'Portsmouth - as others have seen it'