Block · one region of the page, as the scanner read it. It may hold a whole story, part of one, several, or an advertisement; stitching blocks into articles is the next step. Text is supplied OCR.
Page 13 · column 3 of 6 · from the scan, no model involved

soil. These two elements, whieh come from lime, are involved in keeping soil pH at the correct level.
Each ton of corn silage contains 1.6 pounds of calcium and 1.5 pounds of magnesium. Each ton of alfalfa hay contains 30 pounds of calcium and 5 pounds of magnesium. Two thousand
96.8%