共 26 条
- [1] ABRUNA F, 1978, J AGR U PUERTO RICO, V62, P90
- [2] Abruna F., 1975, Soil Management in Tropical America. Proceedings, Seminar, CIAT, Cali, Colombia, February 1974 (Bornemisza, E.
- [3] Alvarado, A., Editors)., P261
- [4] BELL LC, MINERAL NUTRITION LE, P37
- [5] BENZIAN B, 1965, FORESTRY COMMISSION, V37, P36
- [6] INTERPRETATION OF MAIZE LEAF ANALYSES IN NEW-ZEALAND [J]. NEW ZEALAND JOURNAL OF EXPERIMENTAL AGRICULTURE, 1981, 9 (01): : 91 - 96
- [8] FOX R L, 1970, Soil Science Society of America Proceedings, V34, P902
- [9] SOME HIGHLY WEATHERED SOILS OF PUERTO-RICO .3. CHEMICAL-PROPERTIES [J]. GEODERMA, 1982, 27 (1-2) : 139 - 176