Full TGIF Record # 15572
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Web URL(s):http://www.tandfonline.com/doi/abs/10.1080/01904168809363898
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Author(s):Dennis, G. L.; Fresquez, P. R.; Johnson, G. V.
Author Affiliation:U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest & Range Exper. Station, Albuquerque, NM; and Dept. of Biology, University of New Mexico, Albuquerque, NM; respectively.
Title:Iron Uptake by Native Grasses in a Sewage Sludge Amended Semiarid Grassland
Source:Journal of Plant Nutrition. Vol. 11, No. 6, 1988, p. 1417-1427.
Publishing Information:New York: Marcel Dekker, Inc.
Keywords:TIC Keywords: Iron; Nutrition; Bouteloua gracilis; Uptake; Native grasses; Sewage sludge; Semiarid soils; Chlorosis; Soil amendments; Biomass
Abstract/Contents:"Iron chlorosis is commonly associated with calcareous soils due to precipitation of Fe in hydroxide forms. Single applications of sewage sludge have been known to correct Fe deficiency symptoms for up to five years in crop plants grown on such soils. The effect of sludge on the Fe nutrition of native grassland species is less well known. In June 1985, a degraded semiarid grassland site was amended with surface applications of dried, anaerobically digested, sludge at rates of 22.5, 45, and 90 Mg/ha. While DTPA extractable soil Fe increased, tissue concentrations of Fe in the three predominant native grasses tested declined significantly (PSitanion hystrix), was undertaken. As suspected, tissue Fe concentration was highly correlated with tissue fiber concentration, and total tissue Fe in amended plots was equal to or greater than that in control plots. Both results confirmed the dilution effect hypothesis. However, Fe uptake did not increase significantly on amended plots compared to controls indicating that treated plants did not require additional amounts of Fe to produce greater biomass."
Language:English
References:16
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Dennis, G. L., P. R. Fresquez, and G. V. Johnson. 1988. Iron Uptake by Native Grasses in a Sewage Sludge Amended Semiarid Grassland. J. Plant Nutr. 11(6):p. 1417-1427.
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http://www.tandfonline.com/doi/abs/10.1080/01904168809363898
    Last checked: Item not verified
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    Access conditions: Item is within a limited-access website
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