Rural Economy, in its relations with chemistry, physics, and meteorology; or an Application of the principles of chemistry and physiology to the details of practical farming ... Translated, with an introduction and notes by George Law
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acre agriculture albumen alkaline Alsace alumina ammonia analysis animals appears ascertained ashes atmosphere azote azotised principles Bechelbronn beet calcareous calves carbonate of lime carbonic acid caseum cattle cent clover colour composition considerable consumed contains course crop cultivation decomposition Ditto dried dung dwts earth elements equivalent experiments fact Fahr fattening fatty matter favourable fecula feet fermentation forage formed germination gluten grain green ground gypsed gypsum heat horse humus Hydrogen inches increase influence Jerusalem artichoke land leaves less magnesia maize manure meadow mean temperature milk moisture months Oats observations obtained oil-cake organic matter oxide oxygen Payen phosphate phosphoric acid pints plants potash potatoes produce proportion quantity rain ration roots rotation salts sand Saussure seed silica soil soluble solution starch straw substances sugar sulphate sulphuric acid surface tained tion tissue trees vegetable weight wheat wood woody yield