1980,
, NUTRITION AND FERTILISERS, SOILS1980,
, CANE DISEASES1980,
, CANE PESTS, PESTICIDES1980,
, AGRICULTURE, CANE DISEASES1980,
, AGRICULTURE, WEED CONTROL1980,
, AGRICULTURE1980,
, AGRICULTURE1980,
, AGRICULTURE, SOIL CONSERVATION1980,
, NUTRITION AND FERTILISERS, SOILS1980,
, ADMINISTRATION, ANALYTICAL METHODS AND SAMPLING, CANE HARVESTING1980,
, CANE DETERIORATION, CANE HARVESTING1980,
, ADMINISTRATION, ANALYTICAL METHODS AND SAMPLING, CANE HARVESTING1980,
, CANE TRANSPORTATION1980,
, CANE TRANSPORTATION, MAINTENANCE1980,
, CANE TRANSPORTATION1980,
, CANE TRANSPORTATION, ELECTRICAL ENGINEERING1980,
, CANE TRANSPORTATION1980,
, ADMINISTRATION, INSTRUMENTATION AND CONTROL1980,
, BOILER STATION1980,
, BOILER STATION1980,
, BOILER STATION1980,
, COMPUTER SYSTEMS, ELECTRICAL ENGINEERING, INSTRUMENTATION AND CONTROL1980,
, MAINTENANCE, MECHANICAL ENGINEERING1980,
, MECHANICAL ENGINEERING, MILLING STATION1980,
, MECHANICAL ENGINEERING, MILLING STATION1980,
, INSTRUMENTATION AND CONTROL, MILLING STATION1980,
, CENTRIFUGAL STATION, MECHANICAL ENGINEERING1980,
, CLARIFIER STATION1980,
, CENTRIFUGAL STATION, INSTRUMENTATION AND CONTROL1980,
, ANALYTICAL METHODS AND SAMPLING, CENTRIFUGAL STATION, CRYSTALLISATION, PAN STATION1980,
, CENTRIFUGAL STATION, SUGAR1980,
, PAN STATION1980,
, ANALYTICAL METHODS AND SAMPLING, SUGAR1980,
, ANALYTICAL METHODS AND SAMPLING1979,
, ADMINISTRATION, CANE HARVESTING1979,
, CANE TRANSPORTATION1979,
, CANE HARVESTING1979,
, BAGASSE1979,
, CANE PESTS, PESTICIDES1979,
, IRRIGATION1979,
, IRRIGATION1979,
, AGRICULTURE, SOIL CONSERVATION, SOILS1979,
, AGRICULTURE, SOIL CONSERVATION1979,
, NUTRITION AND FERTILISERS, POLLUTION1979,
, NUTRITION AND FERTILISERS, POLLUTION1979,
, CLARIFIER STATION1979,
, ADMINISTRATION