On the cover: 96‐well microplates that are run on a commercial microplate reader for analysis of soil organic carbon using the Walkley‐Black Spectrophotometric method evaluated in the article. See Bierer et al., “Evaluation of a microplate spectrophotometer for soil organic carbon determination in south?central Idaho,” https://doi.org/10.1002/saj2.20165.

中文翻译：

---

封面图片，第85卷，第2期

封面：在商品酶标仪上运行的96孔微孔板，用于使用本文中评估的Walkley-Black分光光度法对土壤有机碳进行分析。参见Bierer等人，“用于在爱达荷州中南部确定土壤有机碳的微孔板分光光度计的评估”，https：//doi.org/10.1002/saj2.20165。