| 摘要 |
PROBLEM TO BE SOLVED: To provide an inexpensive partially fertilizing apparatus capable of carrying out partially fertilizing operation even under every soil condition. SOLUTION: The partially fertilizing apparatus is provided with a digging and fertilizing portion having a machine frame, and a digging and fertilizing part attached to the machine frame and having a digging-driving case rotating around an axial direction crossing the traveling direction of a machine body, helical digging tines radially extended from the digging-driving case, and rotating around an axial direction in the extended directions, and fertilizing pipes installed parallel to the digging tines, and having the interiors formed into cylindrical shapes, and tip parts having fertilizing opening parts. As a result, a prescribed digging depth can be provided even at a field having a hard soil condition, and a fertilizing operation in the soil can smoothly be carried out because digging resistance is reduced and soil-crushing performance is improved by using the digging tines formed into the helical shapes in a process for digging a hole. COPYRIGHT: (C)2005,JPO&NCIPI
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