William R. Horwath Ph.D.

AES Professor of Soil Biogeochemistry Soil Biogeochemist

Soils & Biogeochemistry Program, Plant and Environmental Sciences Building
One Shields Avenue
Davis, CA 95616
(530) 754-6029
wrhorwath@ucdavis.edu

http://lawr.ucdavis.edu/ssc/soils-directory.htm

Specialty

Stable isotope studies, soil organic matter dynamics, soil fertility, sustainable agriculture, water quality, plant-microbe interactions, soil microbial biomass, denitrification, residue decomposition, root turnover.

California Agriculture Article Contributions

Soil sampling protocol reliably estimates preplant NO₃⁻ in SDI tomatoes
Testing protocol ensures the authenticity of organic fertilizers
No-tillage and high-residue practices reduce soil water evaporation

ANR Workgroup Associations

Conservation Agriculture - Member
Pest Management in ANR - Member
Rice - Member
Vegetable Crops - Member

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