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Show i The Secret of Dry Farming, i When rain falia It doea not actually soak Into th earth, but bores Ita way In, forming tiny tubes. These tubes are ao small that it would be impossible impos-sible to Insert a hair In one of then: 1 without bursting its walls. Sometimes ' tbe tubes are bored down to a depth 1 or four or five feet. Vhm tha surfsce i diie. th water evaporatea rrom the ' tubes Just as It would rrom a pipe. If t tbe tube la twisted It takes longer for tb water to evaporate, tt on ' takea a rake and stirs the ground aft- er each rain, he breaka the tops of tha tube, and the water will stand In them for months. In this way th farmers of th west, on th semi arid - landa, store th rainfall on year, and raise a crop or wheat every other ' year there being sufficient water la : two years, but not eoough(ln on, to ' raise a crop. |