Zeolite and Hucalcia as Coating Material for Improving Quality of NPK Fertilizer in Costal Sandy Soil

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Vol. 16 No. 2: May 2011
Published: Jul 3, 2013
Keywords:
Coastal sandy soil,
humic-calcium,
NPK fertilizer,
zeolite

Main Article Content

. Sulakhudin
Department of Soil Science, Faculty of Agriculture, Gadjah Mada University, Bulaksumur Campuss, Flora Street No 1, Bulaksumur, Yogyakarta 55281 Indonesia, Telephone: +620274548814
Abdul Syukur
Department of Soil Science, Faculty of Agriculture, Gadjah Mada University, Bulaksumur Campuss, Flora Street No 1, Bulaksumur, Yogyakarta 55281 Indonesia, Telephone: +620274548814
Bambang Hendro Sunarminto
Department of Soil Science, Faculty of Agriculture, Gadjah Mada University, Bulaksumur Campuss, Flora Street No 1, Bulaksumur, Yogyakarta 55281 Indonesia, Telephone: +620274548814

Abstract

The growth and yield of plants are mainly a function of the quantity of fertilizer and water. In coastal sandy soil, nutrient losses and dry soils are seriously problems. The objective of the research was to study effect of zeolite and hucalci concentrations as NPK coating materials on NPK qualities i.e. water adsorption and release of N, P and K. The research used a coastal sandy soil as media. It was conducted in a laboratory of Soil Science Department, Gadjah Mada University from July to August 2009. Experimental design used was a factorial in a completely randomized design. The first factor was hucalci concentration, consisted of 10% (H1), 20% (H2), and 30% (H3). The second factor was zeolite concentration, consisted of 25% (Z1), 50% (Z2), 75% (Z3), and 100% (Z4). NPK fertilizer (without coating) used as a control. The results showed that hucalci and zeolite had a capability to increase water adsorption and to retard the release of N, P, K. The coated NPK with hucalci 30% and zeolite 100% had the highest quality in water absorption, water retention and release of nutrients.

Keywords: Coastal sandy soil, humic-calcium, NPK fertilizer, zeolite

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How to Cite
Sulakhudin, ., Syukur, A., & Sunarminto, B. H. (2013). Zeolite and Hucalcia as Coating Material for Improving Quality of NPK Fertilizer in Costal Sandy Soil. JOURNAL OF TROPICAL SOILS, 16(2), 99–106. https://doi.org/10.5400/jts.2011.v16i2.99-106
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