共 50 条
- [2] SRI-LANKA HOPES FOR IRON PRODUCTION [J]. IRON AND STEEL INTERNATIONAL, 1982, 55 (06): : 327 - 329
- [3] TEA PRODUCTION ECONOMICS IN SRI-LANKA [J]. REVUE CANADIENNE D ETUDES DU DEVELOPPEMENT-CANADIAN JOURNAL OF DEVELOPMENT STUDIES, 1989, 10 (02): : 241 - 256
- [5] PRODUCTION CHARACTERISTICS OF JERSEY-SINDHI GRADES IN SRI-LANKA [J]. AUSTRALIAN JOURNAL OF AGRICULTURAL RESEARCH, 1977, 28 (04): : 747 - 753
- [6] The effects of climatic variation on rice production in Sri Lanka [J]. APPLIED ECONOMICS, 2019, 51 (43) : 4700 - 4710
- [7] TRAINING AND VISIT SYSTEM IN SRI-LANKA - THE RELATIVE IMPORTANCE OF CONTACT FARMER AS A SOURCE OF RICE PRODUCTION INFORMATION [J]. AGRICULTURAL ADMINISTRATION, 1985, 18 (03): : 127 - 135
- [8] POTENTIAL OF EPPAWALA APATITE AS A DIRECTLY APPLIED LOW-COST FERTILIZER FOR RICE PRODUCTION IN SRI-LANKA [J]. FERTILIZER RESEARCH, 1995, 41 (02): : 145 - 150
- [9] WATER-BUFFALO PRODUCTION AND PRACTICES IN THE DRY ZONE OF SRI-LANKA [J]. TROPICAL AGRICULTURE, 1994, 71 (02): : 123 - 127