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E. S. Sutarta, E. S.
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APPLICATION OF ZEOLITE AT SANDY SOIL FOR SEEDLINGS MEDIA OF OIL PALM Rahutomo, S.; Winarna, Winarna; Santoso, H.; Sutarta, E. S.
Jurnal Zeolit Indonesia Vol 9, No 1 (2010)
Publisher : Jurnal Zeolit Indonesia

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Abstract

Two studies of zeolite application on oil palm seedlings for repair media of planting using a sandy soil type to seedlings media of oil palm have been conducted by The Oil Palm Research Center at experimental garden Aek Pancur, North Sumatra. Research I using Typic Udipsamment soil with 4 dose level of zeolite (0,50,100, and 150 g / polybag). Research II using tin tailings which treated zeolite soil amelioran materials, empty fruit bunch compost, dolomite, and also compared with the top soil is Typic Hapludult. The study I showed that application of zeolite is generally able to increase nutrient content in soil and soil cation exchange capacity inclined growth of better seeds. However, at doses of 150 g/polybag, zeolite application actually lowers the pH and increasing Aldd was followed by poor seedling growth. The study II using tin tailings as planting media, zeolite application has not yielded as good as empty fruit bunch compost applications to support seedling growth and nutrient uptake. Continued research related to determining the appropriate dose, and combination with other soil amelioran materials to increasing effectiveness of zeolite in improving the physical, chemical, and biological soil charachteristic as a medium sand fraction dominated planting of oil palm breeding is still very necessary.
APPLICATION OF ZEOLITE FOR IMPROVEMENT OF GROWTH MEDIA AND GROWTH OF OIL PALM SEEDLING Winarna, Winarna; Sutarta, E. S.
Jurnal Zeolit Indonesia Vol 4, No 1 (2005)
Publisher : Jurnal Zeolit Indonesia

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Abstract

Zeolite has been known for improvement of soil fertility through increasing the cation exchange capacity. The objective of this research is to evaluate the application of zeolite for improvement of growth media and growth of oil palm seedling. The research has been conducted in the oil palm seedling research area of Aek Pancur using completely randomized design. The soils used for media are Typic Paleudults, Typic Udipsamments, and Typic Hapludults. The treatment composed of 4 zeolite dossages 0,50, 100, and 150 g/polybag. The results showed that application of zeolite to soils improved the properties of soils, especially cation exchange capacity. Application of zeolite as soil amelioration in the seedling of oil palm did not significantly improve the growth and absorption of nutrients during 11 months. In general, application of zeolite with the dosage of 100 g/polybag improve the growth and absorbtion of nutrients compared to without zeolite application. On the othe hand, application of 150 g zeolite/polybag decrease the growth and absorbtion of nutrients.
Co-Authors H. Santoso, H. S. Rahutomo, S. Winarna Winarna