Uses of Hydrophobic Siloxane Polymer (Guilspare®) for Soil Water Management

Autor:	Peter Cookson, Mohammed S. Al-Kalbani, Hayder A. Abdel Rahman
Rok vydání:	2003
Předmět:	chemistry.chemical_classification Irrigation Aqueous solution Chemistry Environmental engineering Lessivage Polymer Management Monitoring Policy and Law chemistry.chemical_compound Environmental chemistry Siloxane Soil water Leaching (agriculture) Water content Water Science and Technology
Zdroj:	Water International. 28:217-223
ISSN:	1941-1707 0250-8060
DOI:	10.1080/02508060308691687
Popis:	The effectiveness of a non-toxic hydrophobic polymer (Guilspare ®) in irrigated agriculture to reduce soil water evaporation, improve water distribution, enhance salt leaching, and increase field water-use efficiency of crops was studied under laboratory and field conditions. Guilspare®, sprayed on soil as an aqueous solution, reacts with surface soil particles, which become hydrophobic. In a soil column experiment conducted under ambient summer conditions, application of the hydrophobic polymer substantially reduced cumulative evaporation relative to untreated columns. The pattern of water loss from Guilspare® treatments was approximately linear over time, while the pattern of water loss for controls was cyclic. The rates of water loss from control columns were significantly higher within 24 hours of water addition than treated columns. Guilspare® treatment substantially reduced the amount of water loss during the constant rate stage (Stage I) of soil drying. The rates of Stage I drying from con...
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::db49ab9f06f9a54be39b1e24d70db76c https://doi.org/10.1080/02508060308691687 Zobrazit plný text záznamu