 | 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... | |
 | 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 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
...which is the beet 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... | |
 | 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 - 768 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....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 - 1871 - 360 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 qnanti:y of manure suffices to give maximum crops. It is not difficult to find a... | |
 | 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....water, air can not enter to any extent, and hence Dxygen can not eat off the surfaces of soil-particles and prepared food for plants; thus the plant... | |
| |
... to Mr. Johnston. Eight acres and some rods of this land, at one side, averaged 94 bushels, or the trifling increase of 84 bushels per acre over what it would bear before those in107 significant clay tiles were buried in the ground. 