| 摘要 |
<p>PURPOSE:To easily, assuredly regulate the number of flower fruits by feeding, as the case may be, a covering structure such as a greenhouse with carbon dioxide to regulate the nitrogen level absorbed by a plant therein and control the differentiation of flower buds. CONSTITUTION:A covering structure such as a greenhouse is fed, as the case may be, with carbon dioxide to control the nitrogen level absorbed by a plant therein such as strawberry, thus raising the plant while controlling the differentiation of its flower buds.</p> |
