I also see some information on the faba bean flowers.

我又查看了一些有关蚕豆花的资料。

The results showed that it was benefit for the root system and nodule growth of faba bean on squaring stage and blooming stage under phosphorus and phosphorus add potassium fertilizer;

结果表明：单施磷肥和磷钾肥配施在现蕾期和开花期对根系和根瘤生长均有较好的促进作用；