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 4 · column 3 of 5 · from the scan, no model involved
an extent that they enthusiastically requested that another allday our be held in early November to include Amissville, Flint Hill, Washington, and F. T. Valley.
> The productivity of any soil is determined by two major factors, its physical and chemical characteristics. Present chemical characteristics are determined by age of the soil, or stage of development, and parent^ material from which it was derived. Soil type is based primarily on physical characteristics, which cannot be, determined merely by looking at the surface, nor even the plough depth. Soil might be very fertile, yet have physical qualities to‘ make it unproductive.
The two important methods of determining the productivity of the soil are experience and map making. The later method was startea in 1899. Today the combination of both are most effective. It requires a student about three years to qualify for such scientific work, because there are so
70.2%