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SYNTHETIC MACRONET HYDROPHILIC POLYMERS AS SOIL CONDITIONERS .2. THE EFFECT OF THE FINAL ION FORM OF CROSS-LINKED SULFONATED POLYSTYRENE ON SEEDLING GROWTH

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dc.contributor.author THEODOROPOULOS, AG en
dc.contributor.author BOURANIS, DL en
dc.contributor.author VALKANAS, GN en
dc.contributor.author KAKOULIDES, EP en
dc.date.accessioned 2014-03-01T01:42:16Z
dc.date.available 2014-03-01T01:42:16Z
dc.date.issued 1993 en
dc.identifier.issn 0010-3624 en
dc.identifier.uri http://hdl.handle.net/123456789/23736
dc.subject.classification Agronomy en
dc.subject.classification Plant Sciences en
dc.subject.classification Chemistry, Analytical en
dc.subject.classification Soil Science en
dc.subject.other WATER en
dc.title SYNTHETIC MACRONET HYDROPHILIC POLYMERS AS SOIL CONDITIONERS .2. THE EFFECT OF THE FINAL ION FORM OF CROSS-LINKED SULFONATED POLYSTYRENE ON SEEDLING GROWTH en
heal.type journalArticle en
heal.language English en
heal.publicationDate 1993 en
heal.abstract Hydrophilic polymers were obtained via modification of linear polystyrene and were applied to various plant-soil systems. Sandy-loam soil and quartz sand were used as substrates for tomato and lettuce cultivation. Three different ion species were studied as the final form of the sulfonic group attached to the polystyrene backbone. The sodium (Na+), ferrous-iron (Fe2+), and hydrogen (H+) forms were employed in order to determine the influence of the ion-exchange processes in which the conditioner is involved. The results showed slightly improved growth in the presence of Fe2+ form, while there was significant growth response of seedlings to the acid form of the sulfonated polystyrene resins. The ion-exchange behaviour of the polymers in the acid form was studied by pH measurements employing water suspensions. Finally, the influence of the new polymers on the growth of seedlings was compared to that of a known commercial product based on polyacrylamide. en
heal.publisher MARCEL DEKKER INC en
heal.journalName COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS en
dc.identifier.isi ISI:A1993LQ16200021 en
dc.identifier.volume 24 en
dc.identifier.issue 13-14 en
dc.identifier.spage 1721 en
dc.identifier.epage 1731 en


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