nóng / mín / zhèng / zài / gěi / dà / chūn / zuò / wù / shī / féi / yǐ / tí / gāo / qiū / jì / de / chǎn / liàng农民正在给大春作物施肥,以提高秋季的产量。The farmers are fertilizing the spring-sown crops to increase the autumn yield.