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Dr. Ian Navarrete
RESEARCH INTERESTS
 Characteristics, weathering and formation of volcanic and limestone soils
 Land-use effects on soil organic matter composition
 Soil pollution and degradation
 Nutrient cycling in terrestrial ecosystem and natural resource management


Journal Articles

The status of nickel accumulation in soils and plants in an ultramafic area in the Philippines
Susaya JP, Kim KH, Asio VB, Chen ZS, Navarrete IA
Environmental Monitoring Assessmen DOI 10.1007/s10, , 2009


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


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


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


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


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


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


Characteristics and genesis of two highly weathered soils in Samar, Philippines
Navarrete IA, Asio VB, Jahn R, Tsutsuki K
Australian Journal of Soil Research 45, 153-163, 2007


Humus composition and structural characteristics of humic substances in soils under different land uses in Leyte, Philippines
Navarrete, IA., Tsutsuki, K., Navarrete, RA
Soil Science and Plant Nutrition , (In Press),



Conferences

Humus composition and structural characteristics of humic substances in soils under different land uses: an example from Leyte, Philippines.
Navarete IA, Tsutsuki K.
9th International Conference of the East and Southeast Asian Federation of Soil Science, Seoul, Korea , October 27-30, 2009

Chemical and spectroscopical properties of hydrophilic soil fulvic fraction purified by tangential flow ultrafiltration
Navarete IA, Tsutsuki K.
Annual Meeting, Japanese Society of Soil Science and Plant Nutrition, Kyoto, Japan, September 15-17, 2009



Dr. Ian Navarrete
joined December 18, 2009

9 journals, 2 conferences, 2 societies, 3 awards