| 摘要 |
PROBLEM TO BE SOLVED: To provide a cultivation technique by which the yield can be enhanced by increasing the number to be cultivated per unit area, and equating the cultivation condition. SOLUTION: Plants are cultivated by sowing seeds or setting seedlings in a cultivation ground or a cultivation device so that the whole distances between the neighboring seedlings may be equal. By equating the distance between the seedlings, the growing state is improved and the increase of the yield is provided because the growing conditions of the seedlings become equal all over the direction in the relation with the neighboring surrounding seedlings, and the decreased growth caused by the difference in the growing direction does not occur.
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