. Proceedings of the American Society of Agronomy . Fig. 42.—Apparatus used by King in Wisconsin in making water determinations. very large percent was lost by evaporation. Plate III, Fig. 2, illus-trates a series of large cans at the Nebraska Experiment largest ones are 36 inches deep and 30 inches in diameter, holding1,000 pounds of dry soil, or about 1,400 when saturated to the opti-mum water content. Fig. 43 illustrates a method used first at the Utah Experiment Sta-tion and later at the ^Montana Experiment Station. The cans were36 inches deep and set in the ground so that the
. Proceedings of the American Society of Agronomy . Fig. 42.—Apparatus used by King in Wisconsin in making water determinations. very large percent was lost by evaporation. Plate III, Fig. 2, illus-trates a series of large cans at the Nebraska Experiment largest ones are 36 inches deep and 30 inches in diameter, holding1,000 pounds of dry soil, or about 1,400 when saturated to the opti-mum water content. Fig. 43 illustrates a method used first at the Utah Experiment Sta-tion and later at the ^Montana Experiment Station. The cans were36 inches deep and set in the ground so that the top of the can waslevel with the surface. However, a tub was first placed in the bottom 268 PROCEEDINGS OF TH-E AMERICAN SOCIETY OF AGRONOMY. of each hole and partly filled with water, with the idea that by sur-rounding the soil can by water it would be kept near the normal. Fig. 43.—Method of arranging cans at the Montana Station. temperature of the surrounding soil. A heavy cable was stretchedover the line of cans, and weighing was done by attaching to a weigh-
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