Lysimeter Experiments; Records for Tanks 1 to 12 During the Years 1910 to 1914 Inclusive Volume 11-12

Lysimeter Experiments; Records for Tanks 1 to 12 During the Years 1910 to 1914 Inclusive Volume 11-12

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1918 edition. Excerpt: ...3,5,6...... 33.8 7.4 41.2 4 '.........., 0.2 6.8 47.0 8 There would appear to be a basic exchange resulting from the application of lime, by which magnesium was liberated and dissolved by the soil Water. The crop on the limed soil, being somewhat smaller than that on the unlimed soil, utilized less of the magnesium. 52 T. LYTTLETON Lron AND JAMES A. Brzznm, The concentration of magnesium also was greater in the drainage water from the limed soil than in that from the lmlimed soil, as is to be expected from the foregoing results. The data are given in table 35: The application of lime to the soil treated also with sulfate of potash did not increase the quantity of magnesium in the drainage water, but in the crops there was a slight increase, as shown in table 36: TABLE 36. AVERAGE ANNUAL REM VAL or MAGNESIUM rnou Lnmn AND Imou UNLIMED TANKS TREATED WITH SULrATE or P TASH The removal of magnesium in the drainage water of these tanks was very considerably greater than for those not treated with potassium sulfate, and this fact may account for the failure of the limo to still further increase the liberation of magnesium. The effect of the sulfate of potash applications was to increase the removal of magnesium, as was the case with calcium. This is shown by table 37: TABLE 37. AVERAGE ANNUAL REM VAL or MAGNESIUM rRom Son. TREATED AND rR M Sorn N0T TREATED Mrrn SULrATE or POTASH There is a substitution of potassium for magnesium when the soil is treated with this fertilizer, altho quantitatively it is not so great as the substitution of potassium for calcium. Both these substitutions serve to emphasize the strong retentiveness of the soil for potassium. Percentage of magnesium in plants The effect of the lime application on the percentage of more

Product details

  • Paperback | 32 pages
  • 189 x 246 x 2mm | 77g
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236566386
  • 9781236566386