Elementary Lessons in the Science of Agricultural Practice |
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Page 32
... land , promoting the decomposition of any sour and acrid matter present in the soil , changing it into good and wholesome plant - food , rendering some of the dormant matter into an active form , and making the soil loose and free for ...
... land , promoting the decomposition of any sour and acrid matter present in the soil , changing it into good and wholesome plant - food , rendering some of the dormant matter into an active form , and making the soil loose and free for ...
Page 33
... land . It is commonly supposed that land is drained simply to remove the water which is making it wet , but much more than this is accomplished when land is properly drained . No doubt the first change we see is the passage of the water ...
... land . It is commonly supposed that land is drained simply to remove the water which is making it wet , but much more than this is accomplished when land is properly drained . No doubt the first change we see is the passage of the water ...
Page 34
... land as much for the purpose of getting air into the soil , as for getting water out of it . " The drainage of land is therefore a means of exposing much of its surface to the action of the oxygen and carbonic acid of the atmo- sphere ...
... land as much for the purpose of getting air into the soil , as for getting water out of it . " The drainage of land is therefore a means of exposing much of its surface to the action of the oxygen and carbonic acid of the atmo- sphere ...
Page 36
... land more fertile , if he will but receive their assistance . These ask no wages ; they require no time for rest ... land does not get worn out and exhausted . It is true manure is used to help these crops , but the crop requires very ...
... land more fertile , if he will but receive their assistance . These ask no wages ; they require no time for rest ... land does not get worn out and exhausted . It is true manure is used to help these crops , but the crop requires very ...
Page 37
... land well drained , by having the subsoil properly worked , and then by the aid of deep cultivation before winter , the atmo- spheric air is allowed to pass through the soil , and those agencies , which we saw were so powerful as to ...
... land well drained , by having the subsoil properly worked , and then by the aid of deep cultivation before winter , the atmo- spheric air is allowed to pass through the soil , and those agencies , which we saw were so powerful as to ...
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Elementary Lessons in the Science of Agricultural Practice (1881) Henry Tanner No preview available - 2008 |
Common terms and phrases
acre advantages Agricultural Science alumina ammonia animal arising atmosphere become Cambridge carbonic acid chalk CHAPTER character chemical clay climate clover composition contain corn Crown 8vo cultivation decay desirable dormant matter double silicates duty ELEMENTARY TREATISE English Eton College Extra fcap fact farm farm-yard manure farmer favourable feeding fermentation fertilising matter fertility flesh-forming frost Greek green manures growing crop grown growth Hence herbage HISTORY important influence irrigation J. P. MAHAFFY John's College land late Fellow LATIN LESSONS marl materials mechanical condition mineral matter moisture necessary nitrogenous nitrogenous matter numerous Illustrations oats organic matter Owens College phosphate phosphoric acid plant plant-food ploughed portion potash practice preparation produced Professor quantity R. C. JEBB rendered revised rocks roots sand School secure seed silicates soil soluble straw substances success superphosphate supply surface takes place tillage tion Trinity College turnips valuable wheat whilst wurzel
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