Data for: Size matters but is big always better? Effectiveness of urea and Phlebiopsis gigantea as treatment against Heterobasidion on Picea abies stumps of variable size

Key for understanding the dataset is included as a worksheet in the excel file. In another worksheet the raw data can be found.该数据集的解读指南已作为工作表嵌入本Excel文件中，原始数据则存储在该文件的另一张工作表内。