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" ... from the soil, and which, if not thus directly supplied, must be sought for by the slow extension of their roots through a greater depth and breadth of the earth in which they grow. The addition of manure to the soil, therefore, places within the... "
Elements of Agricultural Chemistry and Geology - Página 57
por James Finlay Weir Johnston - 1842 - 249 páginas
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The Farmer's Manual of Agricultural Chemistry: With Instructions Respecting ...

Alphonse Normandy - 1853 - 250 páginas
...buried beneath the surface, a portion of that inorganic food which otherwise can only be obtained from the soil, and which, if not thus directly supplied,...depth and breadth of the earth in which they grow. — Johnston. The presence of organic substances in soils is most easily ascertained as follows : take...
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The Farmer's Manual of Agricultural Chemistry: With Instructions Respecting ...

Alphonse Normandy - 1853 - 248 páginas
...buried beneath the surface, a portion of that inorganic food which otherwise can only be obtained from the soil, and which, if not thus directly supplied, must be sought for by the slowextension of their roots through a greater depth and breadth of the earth in which they grow. —...
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The Book of the Garden, Volume 2

Charles McIntosh - 1855 - 900 páginas
...buried VOL. II. beneath the surface, a portion of that inorganic food which can only be obtained from the soil, and which, if not thus directly supplied,...the easy reach of the roots not only organic, but also inorganic food." The inorganic part of soils is that which remains behind when the organic part...
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the journal of the royal agricultural society of england

john murray, albemarle stre - 1868 - 710 páginas
...former races buried beneath the surface, a portion of that inorganic food which can only be derived from the soil, and which, if not thus directly supplied,...the easy reach of the roots, not only organic, but also inorganic food. The use of green manure, though a very important and powerful means of enriching...
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The Farmer's Magazine Vol. XXXI ( Thirs Series ) January to June, 1867

Rogerson and Tuxford - 1868 - 700 páginas
...former races buried beneath the surface, a portion of that inorganic food which can only be derived from the soil, and which, if not thus directly supplied,...the easy reach of the roots, not only organic, but also inorganic food. The use of green manure, though a very important and powerful means of enriching...
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