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Use of waste pyrites from mine operations on highly calcareous soil. [Soybeans]

Journal Article · · Commun. Soil Sci. Plant Anal.; (United States)
A waste pyrite material containing 45 percent S from a mine operation in Colorado when applied at a rate equivalent to 400 metric tons/ha to a highly calcareous soil overcame Fe deficiency in the Fe-inefficient PI54619-5-1 soybeans (Glycine max L.). Zinc concentrations in leaves and stems were increased simultaneously. On a slightly acid soil the same level of pyrite considerably acidified the soil and resulted in toxicities. In another experiment in which the pyrite was mixed with small quantities of soil and applied in bands in the center of the pot, only 1/10 as much pyrite was necessary to overcome the Fe deficiency in the soybeans.
Research Organization:
Univ. of California, Los Angeles
OSTI ID:
7272873
Journal Information:
Commun. Soil Sci. Plant Anal.; (United States), Journal Name: Commun. Soil Sci. Plant Anal.; (United States) Vol. 7:1; ISSN CSOSA
Country of Publication:
United States
Language:
English