 ... to destroy or prevent their appearance. The mode of application makes this method applicable to reservoirs of all kinds, pleasure ponds and lakes, fish ponds, oyster beds, watercress beds, etc. It is also probable that the method can be used for the...  Journal of Botany, British and Foreign - Page 280edited by - 1904Full view - About this book
 | United States. Office of Experiment Stations - Agricultural experiment stations - 1904 - 1272 pages
...dilution so great as to be colorless, tasteless, and harmless to man is sufficiently toxic to the alpe to destroy or prevent their appearance. "The mode...reservoirs of all kinds, pleasure ponds and lakes, fish ponds, oyster beds, water-cress l>eds, etc. It is also probable that the method can be used for... | |
 | George Thomas Moore, Karl Frederic Kellerman - Algicides - 1904 - 56 pages
...that some new, cheap, harmless, and effective method be devised for ridding reservoirs of these pests. It has been found that copper sulphate in a dilution...reservoirs of all kinds, pleasure ponds and lakes, fish ponds, oyster beds, watercress beds, etc. It is also probable that the method can be used for... | |
 | Berthold Seemann - Botany - 1904 - 604 pages
...dilution so great as to be colorless, tasteless, aud harmless to man, is sufficiently toxic to the algte to destroy or prevent their appearance. The mode of...method can be used for the destruction of mosquito larvii-. At ordinary temperatures 1 part of copper sulphate to 100,000 parts of water destroys typhoid... | |
 | George Thomas Moore, Karl Frederic Kellerman - Algicides - 1904 - 52 pages
...dilution so great as to be colorless, tasteless, and harmless to man, is sufficiently toxic to the alga? to destroy or prevent their appearance. The mode of...reservoirs of all kinds, pleasure ponds and lakes, fish ponds, oyster beds, watercress beds, etc. It is also probable that the method can be used for... | |
 | Botany - 1904 - 260 pages
...dilution so great as to be colorless, tasteless and harmless to man, is sufficiently toxic to the algae to destroy or prevent their appearance. The mode of...reservoirs of all kinds, pleasure ponds and lakes, fish ponds, oyster beds, water-cress beds, etc. It is also probable that the method can be used for... | |
 | Botany - 1904 - 216 pages
...dilution so great as to be colorless, tasteless and harmless to man, is sufficiently toxic to the algae to destroy or prevent their appearance. The mode of...reservoirs of all kinds, pleasure ponds and lakes, fish ponds, oyster beds, water-cress beds, etc. It is also probable that the method can be used for... | |
 | U.S. Bureau of plant industry, United States. Bureau of Plant Industry - Plants - 1904 - 98 pages
...dilution so great as to be colorless, tasteless, and harmless to man, is sufficiently toxic to the alga? to destroy or prevent their appearance. The mode of...reservoirs of all kinds, pleasure ponds and lakes, fish ponds, oyster beds, watercress beds, etc. It is also probable that the method can be used for... | |
 | United States. Bureau of Plant Industry - Plants - 1904 - 886 pages
...dilution so great as to be colorless, tasteless, and harmless to man, is sufficiently toxic to the algie to destroy or prevent their appearance. The mode of...application makes this method applicable to reservoirs of till kinds, pleasure ponds and lakes, fish ponds, oyster beds, watercress beds, etc. It is also probable... | |
 | John Harvey Kellogg - Bacteriology - 1904 - 586 pages
...colorless, tasteless, and harmless to men, is sufficiently toxic to the algae to destroy them or to prevent their appearance. The mode of application...reservoirs of all kinds, pleasure ponds and lakes, fish ponds, oyster beds, water-cress beds, etc. It is also probable that the method can be used for... | |
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