共 50 条
- [23] COMPOSITION OF ORGANIC-MATTER OF SOIL FRACTIONS WITH DIFFERENT SPECIFIC GRAVITIES SOVIET SOIL SCIENCE, 1975, 7 (01): : 101 - 104
- [24] NATURE OF ORGANIC-MATTER ASSOCIATED WITH CLAYEY FRACTIONS OF A FERRALLITIC SOIL COMPTES RENDUS DE L ACADEMIE DES SCIENCES SERIE II, 1991, 312 (12): : 1491 - 1497
- [25] STABILITY AND ORGANIC-MATTER CONTENT OF SURFACE SOIL AGGREGATES UNDER DIFFERENT METHODS OF CULTIVATION AND IN GRASSLAND SOIL & TILLAGE RESEARCH, 1982, 2 (02): : 155 - 175
- [27] SOIL ORGANIC-MATTER AS A SOURCE AND A SINK OF PLANT NUTRIENTS DYNAMICS OF SOIL ORGANIC MATTER IN TROPICAL ECOSYSTEMS, 1989, : 33 - 67