Elementary agriculture with practical arithmetic elementaryagricu01hatc Year: 1906 DRAINING THE SOIL 65 Open ditches may prove quite as effectual in drain- ing the land, if they be deep enough, and not too far apart. Of course, they must be kept cleaned out. The greatest objection to open ditches is that they cut up the land and thus interfere with cultivation. They can THE SAME FIELD AFTER BEING TILE DRAINED. best be used in draining out sloughs and narrow, swampy places. Many acres of low land, now unculti- vated, might be made very productive if properly drained.

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