1. Uptake and distribution of copper and zinc by soybean and corn from soil treated with sewage sludge
- Author
-
M. R. Reddy, M. E. Rezania, and D. Lameck
- Subjects
fungi ,food and beverages ,Soil Science ,Plant physiology ,chemistry.chemical_element ,Plant Science ,Zinc ,Copper ,Zea mays ,Animal science ,chemistry ,Agronomy ,Loam ,Sewage sludge treatment ,Grain yield ,Sludge - Abstract
A field study was conducted to determine uptake and distribution of Cu and Zn by soybean [Glycine max (L.) Merr.] and corn (Zea mays L.) grown on Enon sandy loam (fine, mixed, thermic Ultic Hapludalfs), treated with 0, 25, 50, and 100 mg ha−1 of sewage sludge each year. ‘Ransom’ soybeans were grown the first year and ‘FCX’ corn was grown in the same plots to maturity the second year. In general, sludge significantly increased grain yield of soybeans and corn. Copper concentration in soybean seed was higher than in leaf and stem, but Zn concentration was lower in the seed than in the other tissues, under sludge treatment. Copper in corn leaf increased more than in stem and grain as the rate of sludge addition increased. Zinc increased in corn leaf and stem as the rate of sludge increased, but Zn in grain was not affected.
- Published
- 1989