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 2 of 3 · from the scan, no model involved
Nitrogen increases phosphorus uptake Nitrogen rate per acre Phosphorus rate per acre Percentage of total phosphorus in plant from fertilizer When P was applied alone When N and P were applied together 12 lbs. N 20 lbs. P2O5 9.2% 15.5%
86.6%