Organic Matter and Root Development of Soybean in Agroforestry Soils tropical Sub Watershed Bengawan Solo Wonogiri Indonesia

Supriyadi Supriyadi, Djoko Purnomo, Yuxand Devano Mangkulla


Alfisols is a soil that lack of organic matter (OM). thus making the physical properties of the soil is easily damaged, because OM is used as an adhesive on soil physical properties. This study aimed to examine the physical properties of  Alfisols in agroforestry based of teak and its effect on the development of soybean. This research used a Randomized Block Complete Design (RBDC) which consists of three factors (soybean varieties,  teak litter dose and NPK chemical fertilizers. The results showed that Alfisols in agroforestry based on teak relative good with the stability of the aggregate value of the 225,101 (Very Steady). Varieties and increasing teak litter doses affect soybean root development while NPK fertilizer did not make an impact. Argo Mulyo varieties have better root development in comparison with Grobogan, and litter dose of 2,5 Mg ha-1 has the best root development in each variety.


Agroforestry; Organic Matter; Root Development; Soybeans

Full Text:



An Shaoshan, F. Zheng, F. Zhang, S. V. Pelt. 2008. Soil Quality Degradation Processes along a Deforestation Chronosequence in the Ziwuling Area, China. 3:248–256

Dahlan M., Mulyati, N. W. D. Dulur. 2008. The Study Of Organik and Anorganik Fertilizers Application on the Change of Several Entisol Properties. Agroteksos. 18:1-3.

Hairiah K., Sardjono M.A., Sabarnurdin S. 2003. The Introduction of Agroforestry (In Indonesia). International Centre for Research in Agroforestry. Bogor.

Hajjabassi M. A. and Hemmat. 2000. Tillage impacts on aggregate stability and crop productivity in a clay-loam soil in central Iran. Soil & Tillage Research. 56:205:212.

Hofer. T. 2003. Sustainable use and management of freshwater resources : the role of forest. State of the world’s forest 2003, Part II : Selected current issues in the forest sector. FAO Forestry Department. Rome

Kurniasih B. Wulandhani F. 2009. The Different of Scrolling Leaves (In Indonesia). Agrivita 31: 118-128

Munir M. 1996. The Main Land in Indonesia (Characteristics, Classifications and Utilizations) (In Indonesia). Pustaka Jaya. Jakarta

Pidwirny M. 2006. Physical Properties of Water. Fundamentals of Physical Geography, 2nd Edition. Accessed on 15 January 2015

Priambodo A., Bambang G., Agung N. 2009. The improving growth of soybean (Glycine max) through the application of Teak leaves mulch and liquid organic fertilizer (In Indonesia). Faculty of griculture, Brawijaya University.

Risnasari I. 2002. Physical Properties of Soil-Main Land In the Tropics (In Indonesia). Manuscript digitized by USU digital library.

Santi L.P., A. Dariah and D.H. Goenadi. 2008. Increasing mineral soil aggregate stability by exopolysaccharide-producing bacteria (In Indonesia). Plantation tower. 76:92-102.

Sulaeman, Suparto, Eviati. 2005. Technical Guidelines for Soil Chemical Analysis, Plant, water, and fertilizer (In Indonesia). Soil Research Center. Bogor

Sumarni et al. 2010. Processing of Physical, Chemical, and Biological Soil Fertility to Increase Land and Production of Red Chili (In Indonesia). J. Hort. 20:130-137.

Supangat A. and Pamungkas B.P. 2010. Soil Infiltration at Various Age Classes of Teak (Tectona grandis L.) Stands in Cepu, Central Java. Journal of Research and Conservation of Nature. 7: 149-159

Supriyadi, D. Purnomo, G. Kusumaningrum. 2013. Dynamics Growth of Soybeans in Agroforestry System with Fertilization of N, P, Micro Nutrient and Organic Manure. The International Journal of Engineering And Science. 2: 78-82

Tan, K.H. 2000. Environmental soil science. Marcel Dekker, New York.

Yulnafatmawita, Rice A. N., Azwar R. 2012. Analysis of Physical Properties of Ultisol Three Years After Giving Fresh Organic Materials In Wet Tropics West Sumatra (In Indonesia). J. Solum. 9: 91-9


Creative Commons License
This work is licensed under a Creative Commons Attribution 3.0 License.