Improving yield的用法和樣例：
例句
- The results indicated that applying PRG selectively is an effective way to improve yield according to the wheat growth.
研究指出，根據小麥生育狀況有選擇性地使用生長調節劑，協調成產因素關係，是一個有效的增產途徑。 - The field experiments showed that the diniconazolemade great favour to the yield and saccharinity of sugat beet.
田間試驗證明，烯唑醇對甜菜有明顯的增產和增糖作用。
