Aluminum Exchangeable and Phosphorous Availability on Ultisol Using Humic Substance and Synthetic Organic Acid

Available online at:
http://journal.unila.ac.id/index.php/tropicalsoil
DOI: 10.5400/jts.2011.16.3.183
J Trop Soils, Vol. 

Aluminum Exchangeable and Phosphorous Availability on Ultisol Using Humic Substance and Synthetic Organic Acid

Sugeng Winarso and Abdullah Taufiq

1)Soil division of Agricultural Faculty University of Jember, Jl Kalimantan 37 Jember, Indonesia,
e-mail: sgwinarso@yahoo.co.id
2)Indonesian Legumes and Tuber Crops Research Institute (ILETRI)
Jl. Raya Kendalpayak, km 8 PO Box 66 Malang 65101, Indonesia, e-mail: ofic_rilet@yahoo.com

Received 15 September 2010 / accepted 8 August 2011

 J Trop Soils, Vol. 16, No. 3, 2011: 183-190
 ISSN 0852-257X