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 8 · column 3 of 6 · from the scan, no model involved
Whefe you use rock phosphate on soils low in phosphate, supplement it with superphosphate until the soil has received adequate phosphorus.
70.2%