n. 藓帽,冠状部
网络 帽状遮盖物; 帽状体; 蒴帽
While within the high concentration selenium, the reducing strength and the rate of calyptra of roots decreases, so does the bio-production of roots.
而高质量浓度的硒处理根系的还原活力降低、根冠比下降、根系的生物量减少。