noun
unharvested crops; standing crops
Refers to crops still standing in the field, not yet harvested. Used in agricultural contexts.
台風で立ち毛が倒れてしまった。
The unharvested crops were flattened by the typhoon.
立ち毛のままでは品質が落ちるので、早く収穫しなければならない。
If left as standing crops, the quality will deteriorate, so we must harvest them quickly.