Elementary Lessons in the Science of Agricultural Practice |
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Page 21
... and those which are of vegetable production . There are , however , many variations observable in those soils which are obtained from rocks which need some further notice . If , CHAP . IV . ] 21 AGRICULTURAL PRACTICE .
... and those which are of vegetable production . There are , however , many variations observable in those soils which are obtained from rocks which need some further notice . If , CHAP . IV . ] 21 AGRICULTURAL PRACTICE .
Page 23
... have many agencies at work in causing the great variations observable in our soils . Some operate in one case , whilst others There is no determine the character elsewhere . constancy in CHAP . V. ] AGRICULTURAL PRACTICE . 23 CHAPTER V. ...
... have many agencies at work in causing the great variations observable in our soils . Some operate in one case , whilst others There is no determine the character elsewhere . constancy in CHAP . V. ] AGRICULTURAL PRACTICE . 23 CHAPTER V. ...
Page 45
... observable after land has been laid down in grass for many years . An ordinary observer , in looking at such soils , can see the numberless small roots with which the land is charged ; and the black colour often gives evidence to the ...
... observable after land has been laid down in grass for many years . An ordinary observer , in looking at such soils , can see the numberless small roots with which the land is charged ; and the black colour often gives evidence to the ...
Page 55
... observable over a larger or smaller extent of surface . Soils may therefore be regarded as a most irregular mixture of decomposed rocks and organic matter , differing very greatly from each other . The conse- quence is , that if we ...
... observable over a larger or smaller extent of surface . Soils may therefore be regarded as a most irregular mixture of decomposed rocks and organic matter , differing very greatly from each other . The conse- quence is , that if we ...
Page 62
... observable in our soils , is well worthy of a careful consideration . Some soils , such as clays , are already in such a state of fine division , that we cannot expect to reduce the particles of these soils into a more minute condi ...
... observable in our soils , is well worthy of a careful consideration . Some soils , such as clays , are already in such a state of fine division , that we cannot expect to reduce the particles of these soils into a more minute condi ...
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Elementary Lessons in the Science of Agricultural Practice (1881) Henry Tanner No preview available - 2008 |
Common terms and phrases
acid acre action added advantages Agricultural allowed already ammonia animal appear arising Assistant atmosphere barley become bodies Cambridge carbonic carried cause CHAPTER character clay climate clover College composition condition consequently contain corn course crop Crown 8vo cultivation desirable duty Edition ELEMENTARY English equal experience Extra fcap fact farm farm-yard manure farmer favourable Fellow fertilising fertility give given growing grown growth Hence HISTORY Illustrations important improved increased influence instance Introduction known land late less lime materials means mechanical naturally necessary Notes oats observable obtained organic matter passing phosphate plant plant-food portion practice preparation present probably produced Professor proper proportion quantity ready reason referred rendered require revised rocks roots School Science secure seed selected soil soon substances success supply surface takes place tion University valuable vegetable whilst yield
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