| 摘要 |
PROBLEM TO BE SOLVED: To make anyone accurately measure proper planting data of each of various crops and plant a crop and to readily carry out such a planting operation. SOLUTION: One or a plurality of planting data X of each proper ridge width A, intrarow spacing B, interrow space C, ridge height D, etc., of a plurality of crops 2a and 2b to be planted are coincident with zero positions and exhibited in the size of real scale in a long main body 1. COPYRIGHT: (C)2003,JPO
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