The land described in this article shall be devoted to practical demonstrations in
the testing of varieties of such farm and orchard crops as are of the greatest value
to the county and are likely to be best adapted to that soil, to demonstrate the value
of various crops, rotations and the building and maintenance of soil fertility and
in increasing crop production, the growing of improved livestock, and the distribution
of seed for dissemination within the county, at cost of production, to growers and
farmers, for comparing the different methods of cultivation, harvesting and preserving
farm crops, for demonstrating the value and use of manures and commercial fertilizers,
and making any other demonstrations in crop growing, beekeeping, insect control, suppression
of plant and animal diseases, the feeding, breeding, scoring and judging of different
classes of livestock and the making of such practical demonstrations as may be deemed
generally profitable to the county.