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 5 · column 2 of 6 · from the scan, no model involved
Nitrogen removed by wheat. Nitrogen Content—Pounds Per Acre Wheat In In Total* Bu/A Grain Straw Removal 40 50 20 70 50 58 23 81 60 75 25 100 70 88 28 116 80 100 30 130 •tf wheat is pastured, add 30* to total removal.
82.5%