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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
U. M. Wahjudin
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Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance

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Pengaruh Pemberian Kapur dan Kompos Sisa Tanaman terhadap Aluminium Dapat Ditukar dan Produksi Tanaman Kedelai pada Tanah Vertic Hapludult dari Gajrug, Banten Wahjudin, U. M.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 34 No. 3 (2006): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (430.703 KB) | DOI: 10.24831/jai.v34i3.1293

Abstract

Ultisol is a soil type with the widest distribution in Indonesia. However, ultisol is characterized with acid reaction and low content of organic matter and nutrients. Ultisol contains a high concentration of Al at a level that can interfere plant growth. The objective of this study was to evaluate the effect of lime and crop residue composts application on the activities of exch-Al and the soybean yield. A greenhouse experiment using Vertic Hapludult from Gajrug, Banten was conducted in a completely randomized design. Liming treatments with 0.0 and 20.7 tons/ha (equals to 1x exch-Al) were combined with the application of different crop residue compost from upland rice, corn, soybean and peanut. The dose of the compost at 0, 1 and 2% organic-C. In this study, soybean was used as the indicator plant.  The results of this experiment indicated that the application of lime equal 1x exch-Al significantly decreased exch-Al  and resulted in good plant growth and soybean yield. Application of different types of crop residue compost decreased exch-Al. On the unlimed and limed soils the application of upland rice residue compost at dose of 2% organic-C (D2) increased soybean yield (23.21 g/pot and 25.67 g/pot), 72.53% and 1.87% respectively.   Key words :  Liming, crop residue compost, exchangeable aluminum (exch-Al), soybean
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