共 34 条
- [11] IVANOVA TI, 1972, SOILS FERTILISERS, V35, P751
- [12] JENNE EA, 1957, AGRONOMY J, V50, P71
- [14] JOHNSTON AE, 1969, 1968 ROTH EXP STAT 2, P50
- [15] JOHNSTON AE, 1970, 1969 ROTH EXP STAT 2, P39
- [18] LEGG BJ, J AGRICULTURAL SCI C
- [19] MEASUREMENT OF SOIL MOISTURE IN FIELD BY NEUTRON MODERATION [J]. JOURNAL OF SOIL SCIENCE, 1967, 18 (01): : 149 - &
- [20] McGowan M., 1974, ISOTOPE RAD TECHNIQU, P435