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Y., Sulistiyanto,
Universitas Palangka Raya
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Engineering

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KAJIAN PERUBAHAN JERAPAN DAN KETERSEDIAAN P PADA TANAH ULTISOL DENGAN PEMBERIAN LIMBAH KELAPA SAWIT (The Study of P Adsorption and Availability Changes on Ultisols with the Granting of Oil Palm Wastes) D., Pertiwi,; Y., Sulistiyanto,; Z., Damanik,
AGRIPEAT Vol 18, No 1 (2017): JURNAL AGRIPEAT VOLUME 17 NOMOR 1 TAHUN 2017
Publisher : Universitas Palangka Raya

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ABSTRACTThe purpose of this research is to know the influence of the incorporation TKKS and boilerashes best doses in lowering adsorption P and increase the availability of P and pH on Ultisols.This study used a Randomized Complete Design (RAL) consisting of 2 factorial factortreatments. First factor was TKKS (T) consists of three doses of treatment i.e: T0 : 0 ton.ha-1,T1 : 20 ton.ha-1 dan T2 : 40 ton.ha-1. Second Factor was Boiler Ash (A) consists of three dosesof treatment i.e: A0 : 0 ton.ha-1, A1 : 11,6 ton.ha-1 dan A2 : 23,2 ton.ha-1. The results showedthat combination treatment of empty oil palm bunches (TKKS) and boiler ashes on ultisols hasraised pH H2O, raised and lowered ΔpH when the dose increased, and lowered exchangeable Al.Whereas single TKKS factor treatment and boiler ash raise pH KCl. Single factor Treatment ofboiler ash increases P-available with the best dose treatment i.e. A2 (23,2 ton ha-1), it alsoincreases the coefficient of bonding energy and lowering the site adsorption namely treatmentA1 (11,6 ton.ha-1) and A2 (23,2 ton.ha-1), while the single factor treatment of TKKS improves Padsorption maximum i.e. treatment T1 (20 ton.ha-1), but lose the P adsorption maximum i.e.treatment T2 (40 ton.ha-1).Keywords : P adsorption, P availability, Oil Palm Waste, Ultisols.
PENGARUH PEMBERIAN BOKASHI KAYAMBANG TERHADAP PERTUMBUHAN BIBIT KELAPA SAWIT (Elaeis guineensis Jacq) PADA TANAH GAMBUT (The Effect of Giving Bokashi Kayambang on Growth of oil Palm (Elaeis guineensis Jacq) on Peat) yani,, Suri; Y., Sulistiyanto,; S, Zubaidah,; tiyah, Sus
AGRIPEAT Vol 16, No 2 (2015): Jurnal AGRIPEAT, Vol 16 No 2 September 2015
Publisher : Universitas Palangka Raya

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ABSTRAKThis study aims to determine the effect of giving kayambang bokashi (Salvinia molesta) on the growthof oil palm seedlings on peat. The research was conducted at land of Analytical laboratoryPalangkaraya University, from July to October 2011. This research used Completely RandomizedDesign (CRD) single factor consisting of four treatments are: 0 ; 0,5; 1,0; and 2,0 kg. Bokashikayambang polibag-1). Each treatment was repeated 6 times to obtain 24 units of the experiment. Theresults showed that bokashi kayambang has effect on height increment, increment the number of stemleaves and wet and dry weight of oil palm seedlings. There is no significantly different on stemdiameter increment, leaf area, root length and number of roots. Bokashi kayambang a dose of 2 kg.Polybag-1 provides a real impact and can improve the wet and dry weight of oil palm seedlings.Key word : Oil Palm, Bokashi Kayambang, Peat
Co-Authors D., Pertiwi, S, Zubaidah, tiyah, Sus yani,, Suri Zafrullah Damanik