TY - JOUR T1 - Establishing a soil reference system for fertility assessment and monitoring at plot level in the highlands of Mindanao, Philippines JO - Eurasian Journal of Soil Science VL - 3 IS - 3 SP , EP - 189 - 196 KW - Mindanao Philippines, “Andic” Cambisol, “Andic” Umbrisol, soil reference systems, soil fertility ass SN - 2147-4249 DO - 10.18393/ejss.77806 PY - 2014 PB - Federation of Eurasian Soil Science Societies ER -