Familiar Letters on Chemistry, and Its Relation to Commerce, Physiology, and Agriculture

absorbed agriculture alkaline ammonia amount of carbon animal body ashes assimilation atmo atmosphere beet-root blood bones capable carbon and hydrogen carbonic acid carnivorous caseine cent cerealia chemical chemistry coal combination composition compounds consumed contain crops cultivated cyamelide cyanic acid DEAR SIR derived dissolved duce earth effect equal excrements fæces feldspar fertility fibrine and albumen fields furnish gelatine grain graminivora growth guano heat hydrogen increase ingredients insoluble leaves LETTER manufacture manure matter meadow ments metal mineral elements muriatic acid nitrogen nourishment nutrition obtain organs ounces oxidation oxygen peas phates phos phosphate of lime phosphates plants platinum potash pounds weight produce properties proportion quantity of carbon respiration salts seeds silicates soda soil solid excrements soluble stances starch stituents substances sugar of milk sulphuric acid supply surface tain temperature tion tissues ture urine vegetable fibrine wheat zinc