The Chemical Compsition of Insecticides And Fungicides With An Account of the M
The Chemical Compsition of Insecticides And Fungicides With An Account of the M
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73 Water of crystallization, composition, and hygroscopic (by difference) 16. 64 100. 00 This substance consists of large amounts of gypsum, calcium car- bonate, and magnesium carbonate, amounting in all to about 65 per "See correspondence with manufacturers, page 62.
BORDEAUX MIXTURE NORTH STATE INSECTICIDE. 27 cent, along with about 13 per cent calcium arsenite, 12. 53 per cent copper oxid, and small amounts of other substances. It is of value as an insecticide as far as its 13 per cent of ca...lcium arsenite is concerned. As to the copper, this seems to be present entirely as copper oxid. A full discussion of why copper in this condition can be of little or no value as a fungicide is given in Farmers' Bulletin 146 of this Department.
BORDEAUX MIXTURE AND PARIS GREEN.
[Serial No. 1%75. ] Composition of Bordeaux Mixture and Paris Green.
Per cent.
Carbon, 0. 96 Sand 0. 41 Arsenious oxid 25. 86 Sulphur trioxid 6. 78 Carbon dioxid 9. 48 Acetic acid 3. 34 Copper oxid 16. 93 Calcium oxid 24.
What to read after The Chemical Compsition of Insecticides And Fungicides With An Account of the M?
You can find similar books in the "Read Also" column, or choose other free books by J K John Kerfoot Haywood to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
73 Water of crystallization, composition, and hygroscopic (by difference) 16. 64 100. 00 This substance consists of large amounts of gypsum, calcium car- bonate, and magnesium carbonate, amounting in all to about 65 per "See correspondence with manufacturers, page 62.
BORDEAUX MIXTURE NORTH STATE INSECTICIDE. 27 cent, along with about 13 per cent calcium arsenite, 12. 53 per cent copper oxid, and small amounts of other substances. It is of value as an insecticide as far as its 13 per cent of ca...lcium arsenite is concerned. As to the copper, this seems to be present entirely as copper oxid. A full discussion of why copper in this condition can be of little or no value as a fungicide is given in Farmers' Bulletin 146 of this Department.
BORDEAUX MIXTURE AND PARIS GREEN.
[Serial No. 1%75. ] Composition of Bordeaux Mixture and Paris Green.
Per cent.
Carbon, 0. 96 Sand 0. 41 Arsenious oxid 25. 86 Sulphur trioxid 6. 78 Carbon dioxid 9. 48 Acetic acid 3. 34 Copper oxid 16. 93 Calcium oxid 24.
What to read after The Chemical Compsition of Insecticides And Fungicides With An Account of the M?
You can find similar books in the "Read Also" column, or choose other free books by J K John Kerfoot Haywood to read onlineMoreLess
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