Publications

Peer-reviewed journals

Navarrete IA, Tsutsuki K, Asio VB. In press. Characteristics and fertility constraints of some degraded soils in Leyte, Philippines. Archives of Agronomy and Soil Science.

Navarrete IA, Tsutsuki K, Asio VB, Masayuki T, Sueta J. 2011. Chemical, mineralogical and morphological characteristics of a late Quaternary sedimentary-rock derived soils in Leyte, Philippines. Soil Science 176: 699-708.

Navarrete IA, Asio VB. 2011. Heavy metals content of two red soils in Samar. Annals of Tropical Research 33: 162-174.

Navarrete IA, Tsutsuki K, Navarrete R. 2010. Humus composition and the structural characteristics of humic substances in soils under different land uses in Leyte, Philippines. Soil Science and Plant Nutrition 56: 289-296.

Susaya JP, Kim KH, Asio VB, Chen ZS, Navarrete IA. 2009. The status of nickel accumulation in soils and plants in an ultramafic area in the Philippines. Environmental Monitoring Assessment 167: 505-514.

Asio VB, Jahn R, Perez FO, Navarrete IA, Abit SM Jr. 2009. A review of soil degradation in the Philippines. Annals of Tropical Research 31: 69-94.

Navarrete IA, Macalde SO, Asio VB. 2009. Nutrient characteristics of aggregates and rhizosphere of a degraded upland: implication for soil fertility evaluation. Annals of Tropical Research 31: 90-102.

Navarrete IA, Tsutsuki K, Asio VB, Kondo R. 2009. Characteristics and formation of rain forest soils derived from late Quaternary basaltic rocks in Leyte, Philippines. Environmental Geology 58: 1257-1268.

Sakamoto N, Tani M, Navarrete IA, Koike M, Umetsu K. 2008. Covering dairy slurry stores with hydrophobic fertilisers reduces greenhouse gases and other polluting gas emissions. Australian Journal of Experimental Agriculture 48: 202-207.

Navarrete IA, Tsutsuki K, Kondo R, Asio VB. 2008. Genesis of soils across a late Quaternary volcanic landscape in the humid tropical island of Leyte, Philippines. Australian Journal of Soil Research 46: 403-414.

Navarrete IA, Tsutsuki K. 2008. Land-use impact on soil carbon, nitrogen, neutral sugar composition and related chemical properties in a degraded Ultisol in Leyte, Philippines. Soil Science and Plant Nutrition 54: 321-331.

Navarrete IA, Asio VB, Jahn R, Tsutsuki K. 2007. Characteristics and genesis of two highly weathered soils in Samar, Philippines. Australian Journal of Soil Research 45: 53-163.

Navarrete IA, Asio VB, Balbarino E, Tulin A. 2000. The physico-chemical properties of rhizosphere soil grown to vetiver in a degraded upland. Grassland Society of the Philippines Journal 4: 29-34.