Subject

‧ Soil Chemistry
‧ Chemistry of Environmental Pollution
‧ Analysis of Soil Toxicant
‧ Transport of Soil Contaminant
‧ Mineralogy
‧ Clay Mineralogy

Education

‧ Ph.D. Department of Soil Environmental Science, National Chung Hsing University (1996)
‧ M.S. Department of Soil Science, National Chung Hsing University (1988)
‧ B.Sc. Department of Soil Science, National Chung Hsing University (1986)

Expertise

Soil chemistry, Clay minerals,
Analysis of Soil Toxicants

Research Areas

‧ Adsorption and Desorption of Soil Pollutant in Soils
‧ Surface Chemistry of Clay Minerals
‧ Clay Minerals and Electrochemistry
‧ Determination of Soil Toxicant
‧ Chemical Analysis of Soils
‧ Transformation and Mobility of Nitrogen in Soils

Awards/Honors/Service

‧ 1990 Second Grade Reward, National Science Council
‧ 1991 Second Grade Reward, National Science Council
‧ Second Grade Reward, National Science Council
‧ Academic Thesis Award, The Chinese Society of Soil and Fertilizer Sciences
‧ 1993 Second Grade Reward, National Science Council
‧ Second Grade Reward, National Science Council
‧ 1995 Second Grade Reward, National Science Council
‧ 1996 Second Grade Reward, National Science Council
‧ Academic Thesis Award, The Chinese Society of Soil and Fertilizer Sciences
‧ 1997 Second Grade Reward, National Science Council
‧ Second Grade Reward, National Science Council
‧ Academic Thesis Award, The Chinese Society of Soil and Fertilizer Sciences
‧ 2004 Academic Thesis Award, The Chinese Society of Soil and Fertilizer Sciences

Membership in Academic, Professional and Scholarly Societies and Related Activities

‧ Chinese Society of Soil and Fertilizer sciences
‧ Chinese Agrochemical Association
‧ Chinese Environmental Analytical Society

Current Research Topics

‧ Council of Agriculture
‧ Studies on Development and Application of Biofertilizers of Multi-P-Solubilizing Abilities
‧ Council of Agriculture
‧ Application Research for Crop Fertilization Technology
‧ － Assessment of Soil Quality as Affected by Application of Food Waste Compost
‧ Council of Agriculture
‧ Study on the Culture Techniques of Organic Leafy Vegetable－ Management of Micronutrients and Heavy Metals in Organic Vegetable Garden Soils

Publications

.Chen, H.J., and G.C. Li. 1991. The adsorption and desorption of paraquat in several different soils. Weed Science Bulletin 12: 1-13.

.Chen, H.J., and G.C. Li. 1991. Investigate the various factors which affect the adsorption and desorption of paraquat in soils. Weed Science Bulletin 12: 14-26.

.Juang, T.C., and H.J. Chen. Effect of layer charge of swelling clay mineral on ammonium fixation. Journal of Chinese Agricultural Society 29(4): 427-438.

.Juang, T.C., H.J. Chen, and K.L. Houng. 1993. Effect of specific adsorption of anions on the fixation of ammonium. Journal of Agriculture and Forestry 42(2): 19-30.

.Juang, T.C., and H.J. Chen. 1993. Effect of application of compost and dolomite combined with soil conservation practice soil fertility and litchi leaf nutrition of slope-land.

.Joural of Chinese Soil and water Conservation 24(2): 1-13.

.Juang, T.C., Y.S. Chang, and H.J. Chen. 1993. Evaluation of nutrient supplying capacity of organic fertilizers. Journal of Biomass Energy Society of China 12: 132-146.

.Juang, T.C., and H.J. Chen. 1993. Effect of ammonium ion exchange selectivity of clay surface on ammonium fixation. Journal of Agriculture Association of China New Series 163: 18-38.

.Juang, T.C., and H.J. Chen. 1993. Effect of net surface charge of soil clay on ammonium fixation. Journal of Chinese Agricultural Chemical Society 31(6): 703-716.

.Juang, T.C., H.J. Chen, and H.K. Jeng. 1994. Studies on ammonium fixation on the surfaces of clay minerals. Journal of Agriculture and Forestry 43(4): 1-13.

.Juang, T.C., and H.J. Chen. 1994. Effects of surface charge heterogeneity of swelling clay minerals on ammonium fixation. Journal of Chinese Agricultural Chemical Society 32(5): 522-532.

.Chen, H.J., T.C. Juang and G.C. Li. 1994. Competitive adsorption between glyphosate and phosphate on the soil clays. Weed Science Bulletin 15(2): 101-114.
Juang, T.C., H.K. Jeng, and H.J. Chen. 1995. Effect of different manures on exchange and fixed ammonium in the paddy soils. Journal of Agriculture Association of China New Series 169: 122-132.

.Chen, H.J., G.C. Li, and T.C. Juang. 1995. Study on the mobility of paraquat in the films of clay minerals with the clay modified electrode. Weed Science Bulletin 16: 1-13.

.Juang, T.C., Y.S. Chang, and H.J. Chen. 1995. The prediction of nitrogen mineralization of organic fertilizers. Journal of Agriculture and Forestry 44(4): 91-106.

.Zen, J.M., S.H. Jeng, and H.J. Chen. 1996. Catalysis of the electroreduction of hydrogen peroxide by nontronite clay coatings on glassy carbon electrodes. J. Electroanal. Chem. 408: 157-163.

.Zen, J.M., S.H. Jeng, and H.J. Chen. 1996. Determination of paraquat by square-wave voltammetry at a perfluorosulfonated ionomer/clay-modified electrode. Anal. Chem. 68: 498-502.

.Juang, T.C., H.J. Chen, and Y.F. Tsai. 1996. Effect of different composts application on soil fertility, nutrient content and crop yield under the crop sequence of paddy rice and corn. Journal of Agriculture Association of China New Series 175: 127-140.

.Juang, T.C., H.K. Jeng, and H.J. Chen. 1996. Effect of applying hog manure on transformation of ammonium in paddy soils. Journal of Agriculture and Forestry 45(4): 77-95.

.Juang, T.C., H.K. Jeng, and H.J. Chen. 1997. Effect of different treatments of fertilizers on potential buffering capacity and fixation of ammonium in paddy soils. Journal of Agriculture Association of China New Series 180: 120-139.

.Juang, T.C., K.L. Tzen, Y.F. Tsai, and H.J. Chen. 1997. Effect of application of organic compound fertilizer and compost on crop yield and nutrient absorption of different growth stages under rice-corn rotation sequence. J. Agricul. and Forestry 46(4): 83-96.

.Juang, T.C., Y.M. Li, and H.J. Chen. 1997. Effect of application of organic material on CO 2 evolution and soil fertility under rice-corn rotation. Journal of Biomass Energy Society of China 16: 81-91.

.Juang, T.C., H.J. Chen, and X.L. Fan. 1997. Soil ammonium fixation study in Taiwan. Acta Univ. Agric. Boreali-Occidentalis 25(4): 33-38.
Zen, J.M., S.H. Jeng, C.W. Lo, P.J. Chen, G. Ilangovan, and H.J. Chen. 1998. Application of clay-modified electrodes in chemical sensors. Proc. Natl. Sci. Counc. ROC(A) 22(4): 447-455.

.Juang, T.C., K.L. Tzen, Y.F. Tsai, and H.J. Chen. 1998. Effect of application of organic compound fertilizer and compost on the changes of soil fertility at different soil types and crop growth stages. Soil and Environment 1(3): 185-200.
Chen, H.J., and T.C. Juang. 1999. Effects of lattice structure of soil clay minerals on release of fixed ammonium. Journal of Agriculture Association of China New Series 185: 1-21.

.Chen, H.J., and T.C. Juang. 1999. Effects of layer charge of soil clays on release of fixed ammonium. J. Agricul. and Forestry 48(3): 69-83.

.Chen, H.J. 2000. Effects of different ions on mobility of paraquat in films of soil clays. J. Agricul. and Forestry 49(4): 1-17.

.Juang, T.C., M.K. Wang, H.J. Chen, and C.C. Tan. 2001. Ammonium fixation by surface soils and clays. Soil Sci. 166(5): 345-352.

.Chen, H.J., and T.C. Juang. 2001. Effects of ammonium fixation and release on supplying ability of soil nitrogen. Soil and Environment 4(4): 251-264.

.Chen, H.J., Y.M. Tzou, T.C. Juang, and M.K. Wang. 2001. Effect of net surface charge and NH 4 + exchange selectivity on ammonium fixation of soil clays. Soil and Environ. 4(2): 93-103.

.Chen, H.J., T.C. Juang, M.K. Wang, and C.C.Tan. 2002. Ammonium released from added ammonium in surface soil clays. Soil Science 167(5): 327-332.
Chen, H.J., T.H. Yang, and J.M. Zen. 2003. Study of paraquat mobility in soils affected by different cations by square-wave voltammetry. J. Agricul. and Forestry 52(1): 19-31.

.Chen, H.J., and J.M. Zen. 2003. The effect of competitive adsorption of copper and manganese ions on the mobility of paraquat in clay films. J. Agricul. and Forestry 52(3): 1-19.

.Chen, H.J., and J.M. Zen. 2003. The effect of adsorption of copper and manganese ions on electrochemical behavior of paraquat in clay films. J. Agricul. Associ. of China 4(5): 429-446.

.Yang, T.H., H.J. Chen, and J.M. Zen. 2003. Electrochemical study of paraquat binding on clay minerals with screen-printed carbon electrode. Soil and Environ. 6(4): 193-206.

.Chen, H.J., and T.C. Juang. 2005. Effects of organic fertilizer on transformation and mobility of nitrogen in soils. Soil and Environ. 8: 47-72.

.Kao, W.S., H.J. Chen, and J.M. Zen. 2005. Adsorption of arsenic(III) on Prussian Blue: Characterization and electroanalysis. J. Agricul. Associ. of China 6(3): 269-285.

.Hsieh, H.L., H.J. Chen, and J.M. Zen. 2005. Electroanalysis of lead ion in soils. J. Agricul. Associ. of China 6(4): 401-419.

.Kao, W.S., H.J. Chen, and J.M. Zen. 2005. Study of adsorption and desorption of arsenic(III) in different soils with Prussian Blue modified electrode. J. Agricul. Associ. of China 6(5): 481-499.

.Hsieh, H.L., H.J. Chen, and J.M. Zen. 2005. Study of lead ions reaction in soils affected by pH with electrochemical technique. J. Agricul. Associ. of China 6(5): 431-445.