共 50 条
- [25] BIOSYNTHESIS OF SOIL HUMUS SUBSTANCES IZVESTIYA AKADEMII NAUK SSSR SERIYA BIOLOGICHESKAYA, 1973, (04): : 507 - 516
- [28] The determination of humus in Hawaiian soil JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY-US, 1912, 4 : 664 - 667
- [29] SPECTROPHOTOMETRIC DETERMINATION OF HUMUS IN SOIL SOVIET SOIL SCIENCE-USSR, 1967, (01): : 94 - &
- [30] HUMIN FRACTION OF SOIL HUMUS JOURNAL OF THE INDIAN CHEMICAL SOCIETY, 1979, 56 (11) : 1094 - 1097