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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Jurnal Ilmu Tanah dan Lingkungan (Journal of Soil Science and Environment) Journal of Tropical Soils Jurnal Pengkajian dan Pengembangan Teknologi Pertanian EnviroScienteae
Aidi Noor
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Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance Engineering Environmental Science

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Journal : Journal of Tropical Soils

 1 
Improvement of Soil Chemistry Characteristic of Upland with Rock Phosphate, Phosphate-Solubilizing Bacteria and Farm Yard Manure For Increase of Soybean Yield Noor, Aidi
JOURNAL OF TROPICAL SOILS Vol. 13 No. 1: January 2008
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2008.v13i1.49-58

Abstract

The experiment aims  to know the role of rock phosphate,  phosphate-solubilizing bacteria and farm yard manure application in  improve  quality of acid upland  and its influence to soybean yield. Experiment was conducted  in the greenhouse using Ultisols from Kentrong at 2001 year.  Factorial experiment design with  two factors was used in randomized complete block design with three replications. The first factors was rock phosphate dosages  i.e. : 0; 30; 60; 90 kg P ha-1, and the second factor was combination of phosphate solubilizing bacteria (PSB) and  farm yard manure (FYM) i.e. : without PSB and FYM (control); PSB (Pseudomonas fluorescens); FYM 10 t ha-1, and PSB+FYM.  Results indicated that rock phosphate and combination of PSB and FYM application  increased available P and decrase exchangeable Al of soils, increase nutrient uptake N, P, nodulation  and grain yield of soybean.  Application of  phosphate solubilizing bacteria  and  farm yard manure combination with rock phosphate 30 kg P   ha-1 dosages average increase grain yield soybean 23.5% compared with control. Grain yield of soybean 87% affected by variables of  available P soils (X1), nutrient uptake N (X4) and P (X5), with multiple regression equation : Y = 0.241 + 0.03900 X1 + 0.00470 X4 + 0.04263 X5.
Co-Authors , Koesrini A., Zainul Desta Wirnas H., Eprima Iskandar Lubis Khairil Anwar Lelya Pramudyani M A Chozin Marjuni Marjuni Muhammad Yasin Munif Ghulamahdi Ningsih, Rina Dirgahayu Rahmawati, Yuyun Retna Qomariah Subandana, Subandana Sumanto Yudhi Ahmad Nazari