long-day crop

例句：

1. 1. Long-day crops are typically planted in the spring and harvested in the fall.
   长日照作物通常在春季种植，秋季收获。
2. 2.The farmers rely on long-day crops to sustain their livelihoods during the off-season.
   农民依靠长日照作物来度过淡季维持生计。
3. 3. The success of this long-day crop has been a major factor in our agricultural productivity.
   这种长日照作物的成功是我们农业生产力的主要因素。