 ... and even supposing the figures above given should exaggerate the difference actually occurring, there would still be a wide margin remaining, sufficient to account for the fact of no water reaching the drains excepting under the influence of an unusually...  minutes of the farmers club of pennsylvania - Página 213por j.b. lippincott company - 1874Vista completa - Acerca de este libro
 | Royal Agricultural Society of England - 1873 - 864 páginas
...to reach the drains in its case. This result is one of very great interest and significance. Thus, whether the porosity of a clay soil be increased by...means, or by a combination of the two, its power to absorb and retain water, in an available and not injurious state, will be proportionately increased... | |
 | Royal Agricultural Society of England - 1871 - 740 páginas
...water reaching the drains excepting under the influence of an unusually large and continued rainfall. Such a fact as the one here recorded is obviously...means, or by a combination of the two, its power to absorb and retain water, without being wet, and in an available state, will be proportionately increased,... | |
 | Journal of the Royal Agricultural society - 1873 - 920 páginas
...to reach the drains in its case. This result is one of very great interest and significance. Thus, whether the porosity of a clay soil be increased by...means, or by a combination of the two, its power to absorb and retain water, in an available and not injurious state, will be proportionately increased... | |
 | John Bennet Lawes, Joseph Henry Gilbert - 1873 - 212 páginas
...to reach the drains in its case. This result is one of very great interest and significance. Thus, whether the porosity of a clay soil be increased by...means, or by a combination of the two, its power to absorb and retain water, in an available and not injurious state, will be proportionately increased... | |
 | 1893 - 740 páginas
...water reaching the drains excepting under the influence of an unusually large and continued rainfall. Such a fact as the one here recorded is obviously...means, or by a combination of the two, its power to absorb and retain water, without being wet, and in an available state, will be proportionately increased,... | |
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