TY - GEN AU - NICHOLAS,D J D AU - FIELDING,A H TI - Use of Aspergillus niger as a test organism for determining molybdenum available in soils to crop plants SN - 0028-0836 PY - 2004///0215 KW - Aspergillus KW - Aspergillus niger KW - Molybdenum KW - Soil N1 - Publication Type: Journal Article UR - https://doi.org/10.1038/166342a0 ER -