Relative pyrogram area (%) and Py-GC/MS pyrogram based lignin for wheat straw and different compost phases for batch A.

<p>^aTotal of areas of all S- and G-units annotated in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0138909#pone.0138909.t001" target="_blank">Table 1</a> and <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0138909#pone.0138909.s001" target="_blank">S1 Table</a>.</p><p>^bBased on 1000 kg dry matter BM; calculated based on wheat straw total lignin and pyrogram analysis.</p><p>^cLignin yield for wheat straw based on Klason lignin+acid soluble lignin. STDEV between duplicates.</p><p>±STDEV between triplicates.</p><p>BM: basic mixture; PI: compost after Phase I; PII: compost after Phase II; PIII–16: compost after 16 days of mycelium growth.