The American Quarterly Journal of Agriculture and Science, Zväzky 3–4

acre agricultural alumina ammonia amount analysis animal appear applied ashes beds breed bushels butter Carbonate of lime carbonic acid casein cattle cent climate color composition contains corn crenic acid crop cultivation earth effects England experiments fact farm farmer feet fertile field fruit furnish give grains grass green ground guano hence horses humic acid hundred husbandry important inches iron kind labor Lake land layer less limestone magnesia manure marl masses miles milk mineral mountains nature niata observed obtained Onondaga Onondaga county Orange county organic matter peat phosphate plants plow portion potash potatoes pounds produced quantity remarks result rocks roots saline salt sand sandstone season seed shales sheep Silex soil soluble soluble matter species spring substance Sulphate of lime supply surface temperature thing tion trees vegetable matter wheat whole wool yard Zeuglodon