| 摘要 |
A machine to be pulled by a mobile power unit, such as a farm tractor or the like. The machine comprises a plow member with a forward protruding and downwardly angled digging member for forming a trench, a hollow vertical guide member with upwardly angled fins on each side thereof for guiding a stake manually inserted into the hollow portion, a pair of vertical adjustable opposing wheels for repacking the earth adjacent the trench inserted stakes and scraper blades for pushing a portion of the earth removed from the trench back into the trench and substantially leveling the remaining earth from the trench to a pre-trench state. The machine may also provided with an irrigation pipe laying means wherein the pipe is layed upon the ground surface prior to the passing of the scraper blades thereover which substantially causes the irrigation pipe to be covered with earth.
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