E. Wu

Substitution of Ammonium and Potassium for Added Calcium in Reduction of Ammonia Loss from Surface‐applied Urea

L. B. Fenn, J. E. Matocha, E. Wu · Soil Science Society of America Journal · 1982 · 53 citations

Ammonia Loss, Engineering, Agricultural Economics +20

A Comparison of Calcium Carbonate Precipitation and pH Depression on Calcium‐Reduced Ammonia Loss from Surface‐Applied Urea

L. B. Fenn, J. E. Matocha, E. Wu · Soil Science Society of America Journal · 1981 · 38 citations

Chemical Engineering, Biogeochemistry, Engineering +13

Ammonia Losses from Surface‐Applied Urea and Ammonium Fertilizers as Influenced by Rate of Soluble Calcium

L. B. Fenn, J. E. Matocha, E. Wu · Soil Science Society of America Journal · 1981 · 35 citations

Ammonia Loss, Engineering, Soluble Ca +14

Soil Cation Exchange Capacity Effects on Ammonia Loss from Surface‐Applied Urea in the Presence of Soluble Calcium

L. B. Fenn, J. E. Matocha, E. Wu · Soil Science Society of America Journal · 1982 · 34 citations

Normal Vibrations and Urey-Bradley Force Constants of Methyl Amine

E. Wu, G. Zerbi, S. Califano et al. · The Journal of Chemical Physics · 1961 · 32 citations

Normal Vibrations, Engineering, Nh2 Twisting Vibrations +16