. Agriculture for southern schools. similar in shape, size, and de-gree of denting on the top. When cornis planted by machinery, it is importantfor the grains to be of one size, so thatthe same number may be dropped in eachhill. Shape of kernels. — The grains aremost compactly arranged when they arealmost square-shouldered, both at thecrown or top, and next the cob. A grainrounded at the top wastes space and isapt to be short. A well-shaped kernelis well filled next to the cob, giving roomfor a large germ. The larger the germ, ^^^- 83- — Cross , , ~, -111,, Sections through the better. 1 he gr
. Agriculture for southern schools. similar in shape, size, and de-gree of denting on the top. When cornis planted by machinery, it is importantfor the grains to be of one size, so thatthe same number may be dropped in eachhill. Shape of kernels. — The grains aremost compactly arranged when they arealmost square-shouldered, both at thecrown or top, and next the cob. A grainrounded at the top wastes space and isapt to be short. A well-shaped kernelis well filled next to the cob, giving roomfor a large germ. The larger the germ, ^^^- 83- — Cross , , ~, -111,, Sections through the better. 1 he gram should be large, ears of Cornand it is best when the shape is like i, grains too short; 2numbers i, 2, 8, 9 (Fig. 82). Length of ear. — The best length dif-fers for different varieties. If the earsare short, the yield is reduced. If they are unusuallylong, there is danger that the ear may not be well coveredby the shuck. In varieties bearing only one ear to theplant, the ear should generally be more than nine inches too much space be-tween rows and cobtoo small; 3, goodshape of kernels. 134 AGRICULTURE Circumference of ear. — The measure around an ear istaken with a tape-line at a point one third the distance fromthe larger end. The usual rule is for the circumference tobe three fourths the length of the same ear. An ear muchlarger around than this may have too large a cob, and maydry out too slowly. A very slender earmay have too small a cob, and grains thatare much too short. Space between rows. — If these fur-rows are deep and wide, they indicatea poorly shaped, round-shouldered ears yield a low percentage ofgrain (Fig. 83). Space between kernels at cob. — Spacesbetween the flat sides of the kernels, nearthe cob, show that the grains are not oc-cupying all the room they might (Fig. 84).On right, too much On such ears, the tips of the kernels arenerat\trcob!on ^P^ to be too thin or too flat with a smallleft, kernels fitting germ; the grains s
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