Preparing land for irrigation and methods of applying water . rary. Afterheavy rains and after each irrigation the orchards are thoroughly cul-tivated and harrowed, and the ridges are worked down to the generallevel to be rebuilt for the next irrigation. Some of the orchardists consider it detrimental to have the watercome in contact with the stems of the trees. To prevent this, thosewho are of this opinion form two ridges between the rows of forms small basins, in the centers of which the trees stand, thewater being applied to the outer basins. This prevents water fromcoming in dir
Preparing land for irrigation and methods of applying water . rary. Afterheavy rains and after each irrigation the orchards are thoroughly cul-tivated and harrowed, and the ridges are worked down to the generallevel to be rebuilt for the next irrigation. Some of the orchardists consider it detrimental to have the watercome in contact with the stems of the trees. To prevent this, thosewho are of this opinion form two ridges between the rows of forms small basins, in the centers of which the trees stand, thewater being applied to the outer basins. This prevents water fromcoming in direct contact with the tree and leaves the soil around it ingood tilth. Nearly the same benefits may be obtained by the commonbasin if care is used in grading the soil within each basin so that thecircular portion around each tree will not be submerged. The sketchshown in figure 23 may convey a better idea of this custom. According to the report submitted by Mr. Tibbetts, the cost of pre-paring the surface is small in comparison with the cost of the water and. Fig. 22.—Irrigating orchard by basin method. 50
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