Chemical field lectures, a familiar exposition of the chemistry of agriculture. Transl. Ed., with notes, by A. Henfrey |
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Page 11
... bone - dust , sand , earth , limestone , & c . Against such adulterations and losses , chemistry offers the most solid and secure defence , since it possesses the power of bringing to light admixtures and adulterations , however ...
... bone - dust , sand , earth , limestone , & c . Against such adulterations and losses , chemistry offers the most solid and secure defence , since it possesses the power of bringing to light admixtures and adulterations , however ...
Page 25
... bone - dust , & c . ) , although these , in them- selves , furnish but little humus . When by these a more vigorous growth of plants is produced , the roots and leaves become larger , and the soil acquires , therefore , by the fall of ...
... bone - dust , & c . ) , although these , in them- selves , furnish but little humus . When by these a more vigorous growth of plants is produced , the roots and leaves become larger , and the soil acquires , therefore , by the fall of ...
Page 33
... bone- dust , & c . act excellently on many kinds of soil ; on others , not at all . If a soil contains a sufficiency of lime , then ma- nuring with lime will be of no service ; for the plants find enough of this constituent already in ...
... bone- dust , & c . act excellently on many kinds of soil ; on others , not at all . If a soil contains a sufficiency of lime , then ma- nuring with lime will be of no service ; for the plants find enough of this constituent already in ...
Page 34
... bone - dust the principal constituents are nitrogen , lime , and phospho- rus ; when , therefore , it is placed upon a soil in which these elements are already present in sufficient quantity , it will have little or no effect ; whereas ...
... bone - dust the principal constituents are nitrogen , lime , and phospho- rus ; when , therefore , it is placed upon a soil in which these elements are already present in sufficient quantity , it will have little or no effect ; whereas ...
Page 37
... bone - dust , unfermented manures , undecomposed urine , & c . , operate far more slowly than when brought on to the field after having previously undergone fermentation or putrefaction . In the latter condition they contain ammonia ...
... bone - dust , unfermented manures , undecomposed urine , & c . , operate far more slowly than when brought on to the field after having previously undergone fermentation or putrefaction . In the latter condition they contain ammonia ...
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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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