shedding of young bolls

• 蕾铃脱落

shedding of young bolls的用法和样例：

例句

1. It was found that deficient or excessive soil moisture led to increase in abscission of squares and bolls and decrease in fiber quality.
   研究发现，土壤水分不足或过大，均易造成蕾铃脱落增加和品质下降。