[1]
Parra-González, S.D. and Rodriguez-Valenzuela, J. 2017. Determination of the Soil Quality Index by Principal Component Analysis in Cocoa Agroforestry System in the Orinoco Region, Colombia. Journal of Agriculture and Ecology Research International. 10, 3 (Feb. 2017), 1-8. DOI:https://doi.org/10.9734/JAERI/2017/31346.