 ... clay tiles were buried in the ground. But this increase of crop is not the only profit of drainage ; for Mr. Johnston says that on drained land one half the usual quantity of manure suffices to give maximum crops. It is not difficult to find a reason...  Draining for Profit, and Draining for Health - Página 166por George Edwin Waring (Jr.) - 1867 - 238 páginasVista completa - Acerca de este libro
 | Ohio State Board of Agriculture - 1861 - 664 páginas
...it would bear before those in107 significant clay tiles were buried in the ground. But this increase of crop is not the only profit of drainage ; for Mr....extent, and hence oxygen can not eat off the surfaces of soil-particles and prepared food for plants ; thus the plant must in great measure depend on the manure... | |
 | Ohio State Board of Agriculture - 1861 - 662 páginas
...is the best instrument. — JJ significant clay tiles were buried in the ground. But this increase of crop is not the only profit of drainage ; for Mr....extent, and hence oxygen can not eat off the surfaces of soil-particles and prepared food for plants ; thus the plant must in great measure depend on the manure... | |
 | John Hancock Klippart - 1861 - 486 páginas
...what it would bear before those insignificant clay tiles were buried in the ground. But this increase of crop is not the only profit of. drainage ; for...extent, and hence oxygen can not eat off the surfaces of soil-particles and prepared food for plants ; thus the plant must in great measure depend on the manure... | |
 | Edmund Morris - 1864 - 354 páginas
...what it would bear before those insignificant clay tiles were buried in the ground. But this increase of crop is not the only profit of drainage ; for Mr. Johnston says that on drained land one-half the usual quantity of manure suffices to give maximum crops. It is not difficult to find a... | |
 | Edmund Morris - 1864 - 364 páginas
...what it would bear before those insignificant clay tiles were buried in the ground. But this increase of crop is not the only profit of drainage ; for Mr. Johnston says that on drained land one-hall• the usual quantity of manure suffices to give maximum crops. It is not difficult to find... | |
 | Ohio State Board of Agriculture - 1865 - 766 páginas
...what it would bear before those insignificant clay tiles were buried in the ground. But this increase of crop is not the only profit of drainage ; for Mr....for this. When the soil is sodden with water, air cannot enter to any extent, and hence oxygen cannot eat off the surfaces of soil-particles and prepared... | |
 | Ohio State Board of Agriculture - 1865 - 770 páginas
...what it would bear before those insignificant clay tiles were buried in the ground. But this increase of crop is not the only profit of drainage ; for Mr. Johnston says that on drained land one half the nsnal quantity of manure suffices to give maximum crops. It is not difficult to find a reason for this.... | |
 | John Hancock Klippart - 1867 - 478 páginas
...what it would bear before those insignificant clay tiles were buried in the ground. But this increase of crop is not the only profit of drainage ; for Mr....reason for this. When the soil is sodden with water, aif can not enter to any extent, and hence oxygen can not eat off the surfaces of soil-particles and... | |
 | John Hancock Klippart - 1888 - 514 páginas
...what it would bear before those insignificant clay tiles were buried in the ground. But this increase of crop is not the only profit of drainage; for Mr....of manure suffices to give maximum crops. It is not diflicult to find a reason for this. When the soil is sodden •with water, air can not enter to any... | |
 | Staff - 1860 - 608 páginas
...what it would bear before thoae insignificant clay tiles were buried in the ground. But this increase of crop is not the only profit of drainage ; for Mr. Johnston says tint on drained land onehalf the usual quantity of manure suffices to give maiimum crops. It is not... | |
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