Ceylon - Agricultural aspects of fundamental education - Report to the government.
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| Format: | Texto biblioteca |
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1955
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| Subjects: | EDUCATION, EXTENSION ACTIVITIES, EROSION CONTROL, PADDY SOIL, WEED CONTROL, IRRIGATION, WASTEWATER, AGRONOMY, CULTURAL METHODS, TRAINING, METHODS, VULGARISATION, EDUCACION, EXTENSION, LUTTE ANTIEROSION, SOL DE RIZIERE, DESHERBAGE, EAU USEE, AGRONOMIE, MODE DE CULTURE, FORMATION, METHODE, CONTROL DE LA EROSION, SUELO DE ARROZALES, ESCARDA, RIEGO, AGUAS RESIDUALES, AGRONOMIA, METODOS DE CULTIVO, CAPACITACION, METODOS, |
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