SUBSTRATE CONTROL OF SULPHUR UTILISATION AND MICROBIAL STOICHIOMETRY IN SOIL: RESULTS OF <SUP>13</SUP>C, <SUP>15</SUP>N, <SUP>14</SUP>C, AND <SUP>35</SUP>S QUAD LABELLING СтатьяMa Q., Pan W., Tang S., Wu L., Chadwick D.R., Wen Y., Hill P.W., Jones D.L., Kuzyakov Y., Macdonald A., Ge T., Si L.ISME Journal. 2021.