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Effects of a municipal sewage sludge amendment on triasulfuron soil sorption and wheat growth

Pinna, Maria Vittoria and Giunta, Francesco and Nardi, Serenella and Pusino, Alba (2009) Effects of a municipal sewage sludge amendment on triasulfuron soil sorption and wheat growth. Journal of Agricultural and Food Chemistry, Vol. 57 (23), p. 11249-11253. eISSN 1520-5118. Article.

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DOI: 10.1021/jf902659f

Abstract

The influence of municipal sewage sludge (SL) as a soil amendment on the sorption and activity of the herbicide triasulfuron (TRS, [2-(2-chloroethoxy)-N-[[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)amino]carbonyl]benzenesulfonamide]) was studied. Weed control was checked in a greenhouse on a wheat (Triticum turgidum L. subsp. durum) crop. At the highest SL amount allowed by Italian regulation, TRS sorption onto soil increased by 7 times and weed control was unaffected. A vegetative bloom and an early heading phase were noted. To compare inorganic fertilization (N, P, and K) and SL amendment, a greenhouse fertilization experiment was carried out. The SL-amended crop developed larger leaf surfaces, higher biomass, and a forward heading compared to that fertilized with N, P, and K. The SL hormone-like activity was evaluated by measuring auxin- and gibberellin-like activity of sewage sludge.

Item Type:Article
ID Code:4511
Status:Published
Refereed:Yes
Uncontrolled Keywords:Sewage sludge, triasulfuron, herbicide, sorption, fertilization, hormone-like activity
Subjects:Area 07 - Scienze agrarie e veterinarie > AGR/13 Chimica agraria
Area 07 - Scienze agrarie e veterinarie > AGR/02 Agronomia e coltivazioni erbacee
Divisions:001 Università di Sassari > 01 Dipartimenti > Scienze agronomiche e genetica vegetale agraria
001 Università di Sassari > 01 Dipartimenti > Scienze ambientali agrarie e biotecnologie agro-alimentari
Publisher:American Chemical Society
eISSN:1520-5118
Deposited On:07 Sep 2010 15:57

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