Articles
RESPONSE OF CORTLAND APPLE TREES AND THE UNDERLYING SOIL TO GYPSUM
Article number
274_66
Pages
515 – 516
Language
Abstract
Gypsum, applied to the soil surface, at 12 kg/tree in each of 5 years (1982–1986) increased soil Ca and leaf Ca, decreased soil Mg and leaf Mg and caused a slight decrease in soil pH. The ratio of Ca/Mg in apple fruit was significantly increased in 5 of the 6 years from 1983–1988. Coarse and fine gypsum were equally effective and neither of the products accumulated on the soil surface.
Authors
D.H. Webster
Keywords
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