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Effect of zinc levels on phosphorous and zinc content in sand-cultured soybeans
Journal article   Peer reviewed

Effect of zinc levels on phosphorous and zinc content in sand-cultured soybeans

H A Menser and Roy C Sidle
Journal of Plant Nutrition, Vol.8(1), pp.89-97
1985
url
https://doi.org/10.1080/01904168509363326View
Published Version

Abstract

Soil Sciences Plant Biology Crop and Pasture Production zinc antagonism tissue Zn tissue P municipal wastes recycled wastes
Soybeans (Glvcine max L.) cv. "Clark"; were grown in the greenhouse in sand-filled plastic pots sub-irrigated with Hoagland No. 1 solution to determine the possible inhibitory effects of Zn on the uptake of P. Zinc rates used were 0.05 (control), 0.25, 0.5 and 2.5 ppm. Yields equalled the control at Zn levels of 0.25 and 0.5 ppm, but plants grown in solutions containing 2.5 ppm Zn were stunted severely. Foliar Zn and P levels differed very little among Zn treatments. Zinc levels were highest and P levels were lowest, however, in the roots and stems of soybeans grown in solutions of 2.5 ppm Zn. Zinc and P uptake was significantly inhibited in the leaves, stems and roots of plants grown at the highest Zn rate. The recycling of wastes containing high Zn content could adversely affect plant growth by a suspected antagonism with P.

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Plant Sciences

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