Annual Report of the American Institute, of the City of New York |
Overige edities - Alles bekijken
Veelvoorkomende woorden en zinsdelen
acre agricultural ammonia animals apple trees ashes better boiling bones bushels carbonic acid cent clover club coal color committee contain corn cows crop cubic foot cultivation deep plowing degrees depth dollars earth engine exhibited experience Fahrenheit farm farmers feed feet fertilizers fifty flour fruit give gluten grain grape grass ground grow guano half heat Horace Greeley horse inches invention iron Kilauea kind land less light lime manufacture manure material microscope miles milk moisture nitro-glycerine ocean orchard phosphoric acid plants portion potash potatoes pounds present produce profit quantity rocks roots Salem county salt sand season seed soil specific gravity spring steam subsoil sugar sulphuric sulphuric acid superphosphate surface sweet potato temperature tillage tion tube twenty varieties vegetable weight wheat winter wood yield York