Chemical field lectures, a familiar exposition of the chemistry of agriculture. Transl. Ed., with notes, by A. Henfrey |
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Page 28
... effect at length the reduction of solid rocks into pulverulent earth , and of insoluble mineral compounds into soluble salts , which salts can then be taken up by the roots of plants . But weathering takes place also in the interior of ...
... effect at length the reduction of solid rocks into pulverulent earth , and of insoluble mineral compounds into soluble salts , which salts can then be taken up by the roots of plants . But weathering takes place also in the interior of ...
Page 32
... effect the same beneficial changes in the deeper portions , as well as an intermingling of the different kinds of earth . The latter circumstance not only places at the disposal of plants a deeper layer of soil with a greater quantity ...
... effect the same beneficial changes in the deeper portions , as well as an intermingling of the different kinds of earth . The latter circumstance not only places at the disposal of plants a deeper layer of soil with a greater quantity ...
Page 34
... effect ; whereas on a soil poor in only one of these constituents , it may produce remarkable effects . To this it must be added , that all plants which we culti- vate do not require for their nourishment an equal quantity of each ...
... effect ; whereas on a soil poor in only one of these constituents , it may produce remarkable effects . To this it must be added , that all plants which we culti- vate do not require for their nourishment an equal quantity of each ...
Page 37
... effect whatso- ever during the first year ; for if the favourable moment , that of most vigorous growth , has once gone by in a plant , the richest nourishment can no longer render it assistance . The extraordinarily rapid operation and ...
... effect whatso- ever during the first year ; for if the favourable moment , that of most vigorous growth , has once gone by in a plant , the richest nourishment can no longer render it assistance . The extraordinarily rapid operation and ...
Page 38
... effect is produced when the hyacinth , or any other plant which is cultivated in pots , is watered with thin glue- water . In glue , likewise , there is no other powerfully ferti lizing ingredient besides nitrogen ; but this must be ...
... effect is produced when the hyacinth , or any other plant which is cultivated in pots , is watered with thin glue- water . In glue , likewise , there is no other powerfully ferti lizing ingredient besides nitrogen ; but this must be ...
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Chemical Field Lectures, a Familiar Exposition of the Chemistry of ... Julius Adolph Stockhardt No preview available - 2016 |
Common terms and phrases
absorb abundant acre agriculture alkaline ammonia ammoniacal salts animal applied ashes atmosphere become bone-dust bones bushels carbonate of lime carbonic acid cent chemical chemistry cloth gilt clover coloured common salt complete composition compost constituents contain crops cultivation decay decomposed decomposition dissolved drainings earth Edition effect English Engravings especially excrements experiments farmer favourable fcap fermentation fertilizing folio Frontispiece gilt cloth gilt edges grain greater growth of plants guano gypsum half-bound heat hence humous humus illustrated increase ingredients kinds land latter less magnesia manure marl mineral substances moisture morocco nature nitric acid nitrogen nure obtained oil-cake oxygen phosphate phosphate of lime phosphoric acid Plates pub Portrait potash practical produced proportion putrefaction quantity quick lime refuse render rich roots saltpetre Saxony seed silica soda soil solid soluble stable-manure straw sulphate sulphuric acid superphosphate tion urine vegetable volatile vols weathering wood Woodcuts دو
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