Предлагаемые темы внутри своего поиска.
Предлагаемые темы внутри своего поиска.
3
Agriculture
3
Economic aspects
2
Irrigation
2
Irrigation farming
2
Rice
1
Agricultural extension work
1
Agricultural innovations
1
Agricultural laborers
1
Attitudes
1
Citizen participation
1
Communication in agriculture
1
Dry farming
1
Farm tractors
1
Farmers
1
Forests and forestry
1
Irrigation water
1
Management
1
Prices
1
Rural conditions
1
Shifting cultivation
1
Vegetable trade
1
Vegetables
1
Water buffalo
1
Water-supply
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1Опубликовано 1980Colombo : Agrarian Research and Training Institute, 1980-<1982 >v. <1-2 > : maps ; 30 cm.“...Research study (Agrarian Research and Training Institute) ;...”
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2по Gamage, Dhanawardana
Опубликовано 1987Colombo, Sri Lanka : Agricultural Planning and Evaluation Division, Agrarian Research and Training Institute, 1987.xx, 178 p. : plans ; 29 cm.“...Research study (Agrarian Research and Training Institute) ;...”
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3по Wickramasinghe, Gamini
Опубликовано 1987Colombo, Sri Lanka : Agricultural Resource Management Division, Agrarian Research and Training Institute, 1987.viii, 63 p. : 1 map ; 29 cm.“...Research study (Agrarian Research and Training Institute) ;...”
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4по Widanapathirana, A. S.
Опубликовано 1985Colombo, Sri Lanka : Agrarian Research and Training Institute, 1985.xii, 121, [1] p. : ill., maps ; 29 cm.“...Research study (Agrarian Research and Training Institute) ;...”
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5по Peiris, G. H.
Опубликовано 1987Colombo, Sri Lanka : Agrarian Research and Training Institute, 1987.viii, 129 p. : maps ; 29 cm.“...Research study (Agrarian Research and Training Institute) ;...”
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6по Moore, M. P.
Опубликовано 1980Colombo : Agrarian Research and Training Institute, [1980]176 p. : maps ; 25 cm.“...Research study (Agrarian Research and Training Institute) ;...”
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7по Bandara, S. R.
Опубликовано 1983Colombo, Sri Lanka : Agrarian Research and Training Institute, 1983.x, 91 p. : ill., maps ; 28 cm.“...Research study (Agrarian Research and Training Institute) ;...”
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8по Ranatunga, A. S.
Опубликовано 1981Colombo, Sri Lanka : Agrarian Research & Training Institute, 1981.50 p. ; 30 cm.“...Research study (Agrarian Research and Training Institute) ;...”
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9по Gunawardana, A. M. T.
Опубликовано 1980Colombo : Agrarian Research and Training Institute, 1980.83 p. ; 30 cm.“...Research study - Agrarian Research and Training Institute ;...”
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10по Perera, U. L. Jayantha
Опубликовано 1980Colombo : Agrarian Research and Training Institute, 1980.vi, 140 p. : map ; 30 cm.“...Research study (Agrarian Research and Training Institute) ;...”
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11по Gunawardena, P. J.
Опубликовано 1980Colombo : Agrarian Research and Training Institute, 1980.xii, 181 p. : ill. ; 30 cm.“...Research study (Agrarian Research and Training Institute) ;...”
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12Опубликовано 1980Colombo, Sri Lanka : Agrarian Research & Training Institute, 1980.ii, 127 p. : maps ; 30 cm.“...Research study / Agrarian Research and Training Institute ;...”
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13по Ranatunga, A. S.
Опубликовано 1977Colombo : Agrarian Research and Training Institute, [1977]xi, 55 p. ; 26 cm.“...Research study - Agrarian Research and Training Institute ; no. 23....”