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Availability of Micronutrients and Trace Elements in Soil Amended with Wastewater Treatment Sludge from Pig Farm

Name: ÊÇÅÕ ´Õ»ÃÐàÊÃÔ°

Name: Sawalee Deeprasert

Organization : ÁËÒÇÔ·ÂÒÅÑÂà·¤â¹âÅÂÕ¾ÃШÍÁà¡ÅéÒ¸¹ºØÃÕ. ¤³Ð¾Åѧ§Ò¹ÊÔè§áÇ´ÅéÍÁáÅÐÇÑÊ´Ø. ÊÒ¢ÒÇÔªÒà·¤â¹âÅÂÕÊÔè§áÇ´ÅéÍÁ

keyword: ¡ÒÃãªé»ÃÐ⪹ì¨Ò¡¢Í§àÊÕÂ

Abstract: This research aims to study the amount of micronutrient and trace element of Nakornpathom and Kainpaengsaen soils amended with the dry sludge from anaerobic digestion system of pig manure. Sludge was amended with soil at different dosages of 0, 100, 300, 600 and 900 kgN/ha. The soil- sludge mixtures were analyzed soil pH, the amounts of micronutrients (exchangeable calcium, magnesium, potassium and sodium) sulpher, trace elements (copper and zinc) and Cation Exchange Capacity (CEC) at 0,2,4,8 and 16 weeks after amendment. The result of this study showed that pH influenced on micronutrients, sulpher, CEC ?nd trace elements of the mixtures. Increasing of dry sludge in soil also affected the amount of micronutrients and trace elements. Result revealed that at the dosage of 600 kgN/ha is an appropriate dosage which had the proper amounts of micronutrients and trace elements and the mixture has a pH of 6.80. Use of sequential extraction to evaluate copper and zinc in mixture showed that the available form of copper and zinc increased in the mixed soil. The majority of copper and zinc occurred in the organic form for Nakompathom soil. It was found carbonate form for copper and organic form for zinc in a Kampaengsaen soil.

ÁËÒÇÔ·ÂÒÅÑÂà·¤â¹âÅÂÕ¾ÃШÍÁà¡ÅéÒ¸¹ºØÃÕ. ÊӹѡËÍÊÁØ´

Address: ¡Ãا෾ÁËÒ¹¤Ã (Bangkok)

Email: info.lib@mail.kmutt.ac.th

Name: ÊÃéÍ´ÒÇ ÇÔ¹Ô¨¹Ñ¹·Ãѵ¹ì

Role: ÍÒ¨ÒÃÂì·Õè»ÃÖ¡ÉÒ

Created: 2547

Issued: 2007-12-14

Modified: 2007-12-14

ÇÔ·ÂÒ¹Ô¾¹¸ì/Thesis

CallNumber: EV428

tha

DegreeName: ÇÔ·ÂÒÈÒʵÃÁËҺѳ±Ôµ

Level: »ÃÔ­­Òâ·

Descipline: à·¤â¹âÅÂÕÊÔè§áÇ´ÅéÍÁ

Grantor: ÁËÒÇÔ·ÂÒÅÑÂà·¤â¹âÅÂÕ¾ÃШÍÁà¡ÅéÒ¸¹ºØÃÕ

©copyrights ÁËÒÇÔ·ÂÒÅÑÂà·¤â¹âÅÂÕ¾ÃШÍÁà¡ÅéÒ¸¹ºØÃÕ

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