San Antonio / Press / Akademie Vedag / Kimberly / /
Company
Agriculture (1956) Cambridge University Press / Canada Canadian Journal / CAB Perganson Press / Agronomy ( 19’$9) Ag / UK Journal / New Zealand New Zzalaml Journal / /
Cambridge University / US Department of Agriculture / Agronomy Cmp Science Society of America Soil Science Scciety of America Agronom / Canadian Society / American Society of Agronomy / Agricultural Research Service / American Society for Enolog / /
Person
Bob Sojka / Vol / Justus von Liebig / /
Position
farmer / Information Scientist / chemist / /
ProvinceOrState
Texas / Pennsylvania / British Columbia / Idaho / /