Preparing land for irrigation and methods of applying water . th weeds astrip must first beplowed and har-rosved. Disk har-rows and disk plowscombine both opera-tions and are much used for this pur- ^-Adjustable ridger. po<e. The loose earth is afterwards thrown up by a ridger. The combination rotary disk, a recent design, is highly praised bythose who have used it for making checks or ridges. It consists offour ordinary disks, arranged in the form of a V to throw the earth toward a commonridge in the requires from fourto six horses to oper-ate it successfully,but time is saved ov
Preparing land for irrigation and methods of applying water . th weeds astrip must first beplowed and har-rosved. Disk har-rows and disk plowscombine both opera-tions and are much used for this pur- ^-Adjustable ridger. po<e. The loose earth is afterwards thrown up by a ridger. The combination rotary disk, a recent design, is highly praised bythose who have used it for making checks or ridges. It consists offour ordinary disks, arranged in the form of a V to throw the earth toward a commonridge in the requires from fourto six horses to oper-ate it successfully,but time is saved overthe common ridger innot having to passalong the same ridgemore than once. When an orchardis cross checked orridged by first mak-ing ridges at rightangles to the directionin which the waterFig. 2o. steel ridger. will flow and after- wards in the direction of flow, openings are left at all points whereridges cross. Each basin is thus open at each of its four most laborious way to fill these gaps is by the use of the —Xo. 145—04 i.
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