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national institute for water research

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Cilt sonuçları

Sewage disposal in the oceanThe disposal of effluents into the sea off the Natal coastNational Institute for Water Research.

The disposal of effluents into the sea off the Natal coast

National Institute for Water Research. · Natal Town and Regional Planning Commission]

140 sayfa · 1969

Sewage disposal in the ocean

Water qualityFactors affecting water quality in the sugar growing areas of NatalNational Institute for Water Research.

Factors affecting water quality in the sugar growing areas of Natal

National Institute for Water Research. · Natal Town and Regional Planning Commission]

120 sayfa · 1971

Water quality

Water qualityObjectives of river surveys, description of methods used, and discussion of water quality criteriaNational Institute for Water Research.

Objectives of river surveys, description of methods used, and discussion of water quality criteria

National Institute for Water Research. · Natal Town and Regional Planning Commission]

101 sayfa · 1967

Water quality

Water qualityThe rivers of Northern Natal and ZululandNational Institute for Water Research.

The rivers of Northern Natal and Zululand

National Institute for Water Research. · Natal Town and Regional Planning Commission]

52 sayfa · 1969

Water quality

Water qualityThe Tugela River and its tributariesNational Institute for Water Research.

The Tugela River and its tributaries

National Institute for Water Research. · Natal Town and Regional Planning Commission]

68 sayfa · 1967

Water quality

PollutionWater quality and abatement of pollution in Natal riversNational Institute for Water Research, South African Council for Scientific and Industrial Research, Natal (South Africa). Town and Regional Planning Commission

Water quality and abatement of pollution in Natal rivers

National Institute for Water Research, South African Council for Scientific and Industrial Research, Natal (South Africa). Town and Regional Planning Commission · Natal Town and Regional Planning Commission

Sayfa sayısı yok · 1967

Water / Pollution

Water qualitySurvey of the Three Rivers RegionNational Institute for Water Research .

Survey of the Three Rivers Region

National Institute for Water Research . · Natal Town and Regional Planning Commission]

232 sayfa · 1967

Water quality

LimnologyThe limnology of Hartbeespoort DamNational Institute for Water Research (South Africa). Limnology Division.

The limnology of Hartbeespoort Dam

National Institute for Water Research (South Africa). Limnology Division. · Foundation for Research Development, Council for Scientific and Industrial Research

269 sayfa · 1985

Dams / Environmental aspects / Environmental aspects of Dams / Lake ecology / Limnology

EutrophicationEutrophicationNational Institute for Physical Planning and Construction Research. Water Resources Division.

Eutrophication

National Institute for Physical Planning and Construction Research. Water Resources Division. · Foras Forbartha

33 sayfa · 1977

Eutrophication

Sustainable agricultureWater management for sustainable agriculture--problems and perspectives for the 21st century, April 15-17, 1998National Seminar on "Water Management for Sustainable Agriculture--Problems and Perspectives for the 21st Century" (1998 Indian Agricultural Research Institute)

Water management for sustainable agriculture--problems and perspectives for the 21st century, April 15-17, 1998

National Seminar on "Water Management for Sustainable Agriculture--Problems and Perspectives for the 21st Century" (1998 Indian Agricultural Research Institute) · Indian Agricultural Research Institute

516 sayfa · 1998

Congresses / Water-supply / Management / Sustainable agriculture