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Show HOW WATER RISES IN SOIL Dutt Mulch and Cultivation or Loosening Loos-ening of Farth After Rain Serve to Prevent Evaporation, Water rluos In Oip soli Just bb the rd! In a Inmp rlcs through the wick. The wick Is full of little tubes railed rnplllnrlea. and so Is tho noil, and the water rises through those. If a little kerosene or gasoline In put Into a boltlo and Ihe bottlo filled with soil, tho oil will rise, and If lighted, will burn on lh surface. When the water risen to Iho aurface of tho foil It evaporates. KvHporallon from tho soil Is going on all tho lime when It Is not raining. Tho sol! soon dr ies out If pound bin Is not done to prevent It. Covering the Mill with a Tght mulch prevents evaporation. Cultivating or loosening (ho surface of the soil sism after a ruin servos Iho same purpose. Cultl-vallng Cultl-vallng breaks tho small tubes, so that tiny are unable to bring the water to the surface. A soli that contains mm h humus (that K vegetable matter) catchoa and In Ids more water than one that contains but little humus. Such soil aim holds nxl-turn longer In dry wen'her. Plenty of hnrnyard manure applied to tho mI1 helps to retain ii i 1st ure, although valuable as feeders feed-ers of plants. |