共 19 条
- [11] POTASSIUM STATUS OF WEST INDIAN VOLCANIC SOILS [J]. JOURNAL OF SOIL SCIENCE, 1964, 15 (02): : 284 - &
- [12] RICH C. L, 1964, SOIL SCI, V97, P384, DOI 10.1097/00010694-196406000-00004
- [14] SCHOFIELD RK, 1952, CHEM IND-LONDON, P76
- [15] SCHOFIELD RK, 1947, 11 P INT C PUR APPL, V3, P257
- [16] STUDIES ON SOIL POTASSIUM .3. CAT-ON ACTIVITY RATIOS IN ACID NIGERIAN SOILS [J]. JOURNAL OF SOIL SCIENCE, 1964, 15 (01): : 24 - +
- [17] VAN SCHOUWENBURG J. CH., 1963, NETHERLANDS JOUR AGRIC SCI, V11, P13
- [18] [No title captured]
- [19] 1954, 60 US DEP AGR HANDB