Nitrogen fixation and nitrification in various soil types
Reed, Howard S., Williams, Bruce
Nitrogen fixation and nitrification in various soil types - Montgomery 1915 - 59-80 p. - Nitrogen, Soil Virginia Agricultural Experiment Station. Technical Bulletin No. 3 .
Nitrogen fixation and nitrification in various soil types - Montgomery 1915 - 59-80 p. - Nitrogen, Soil Virginia Agricultural Experiment Station. Technical Bulletin No. 3 .