s@48008@48008-h@48008-h-2.htm.html#Page_36" class="pginternal">36 Pyrogallol, 91 Raulin’s solution, 49 Reproduction of poisoned plants, 40 Silver nitrate, 22 Sodium chloride, 20, 44 hydroxide, 22 nitrate, 4 Sterile cultures, 24 Stimulation, by injection of copper solutions, 31 by small doses of poisons, 2 definition of, 2 local, 47 of Aspergillus niger, 50 of fungi by copper, 34 of plants by arsenic, 61 of plants by boron, 73 of plants by copper (negative), 28 of plants by manganese, 84 of plants by zinc, 45–47 physiological considerations of manganese, 90 Strontium sulphate, 5 Sugar, 22, 31, 48, 49, 50, 68 Sulphur, flowers of, 10 Thymol, 22 Toxic action, effect of arsenic, 52 effect of boron, 67 effect of copper, 17 effect of light on, 44 effect of manganese, 81 effect of zinc, 38 equivalent, 18 limits of plant poisons, estimation of, 26 Toxicity, of nutrient salts, 1 of organic compounds, 4 of poisons, cause of, 22 of positive ions in copper compounds, 19, 22 reduction of, 39, 44 reduction of, by carbon black and ferric hydrate, 23 reduction of, by insoluble substances, 22 Toxin and nutrient, distinction between, 3 Transmission of power of resistance, 72 Valency, effect on toxicity, 44 Vanillin, 4 Variation in results on different substrata, 24 Zinc, absorption by roots, 42 carbonate, 38, 42, 43 effect of, on lower plants, 48 effect of, on plant and soil, 41 fixation of, 49 mode of action on plants, CAMBRIDGE AGRICULTURAL MONOGRAPHSGeneral Editors: T. B. Wood, M.A., Draper’s Professor of Agriculture in the University of Cambridge, and E. J. Russell, D.Sc., Director of the Rothamsted Experimental Station, Harpenden, Herts. Each volume of this series will contain a summary of the present position on some particular aspect or branch of agricultural science by an expert of acknowledged authority. The treatment will be critical and impartial, and sufficiently detailed on all points of fundamental importance to be of use alike to all readers, but especially to those who are not in touch with an institution possessing a well equipped reference library. Full references will be given, and a bibliography attached for the benefit of those who wish to follow up any particular point. The following volumes are in preparation: - The Strength of Wheat Flour. By Professor T. B. Wood, M.A.
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THE CAMBRIDGE FARM INSTITUTE SERIES General Editors: Professor T. B. Wood, M.A., and E. J. Russell, D.Sc. The volumes of this series are intended to meet the needs of the many Farm Institutes already in existence or about to be formed. They are intended for the average student whose object is to farm, rather than for the exceptional man who wishes to become an agricultural expert. Every endeavour will be made to attain a high standard educationally, by training students to take an intelligent interest in their daily work and to appreciate the beauty of the common objects among which their life will be passed. On the other hand the fact that farm students must earn their living on the land will not be lost sight of. The following will be among the first volumes: - Farm Accounts. By C. S. Orwin. [Now ready
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Cambridge University Press C. F. Clay, Manager: Fetter Lane, London Transcriber’s Notes: Missing periods and parentheses have been supplied where obviously required. All other original errors and inconsistencies have been retained, except as follows (the first line is the original text, the second the passage as currently stands): - Page 37:
total ash, (006% of the air dried plant). total ash, (·006% of the air dried plant). - Page 76:
in until 5 gms. boric acid in until 5 gm. boric acid - Page 97:
Vorkommen von Iod in ThierkÖrper. Vorkommen von Iod im ThierkÖrper. - Page 98:
Colin, H. and Lavison, J. Colin, H. et Lavison, J. - Page 100:
Pot Experiments to determine the Pot experiments to determine the - Page 101:
Zusammensetzung von Molinia coerulea Zusammensetzung von Molinia cÆrulea - Page 101:
Hiltner, L. and Gentner, G. Hiltner, L. und Gentner, G. - Page 101:
Nahrungsmittel Hyg. Waar. IX, 1-4. Nahrungsmittel Hyg. War. IX, 1-4. - Page 102:
Nahrungs- und Genus-mittel, IV, 489–92. Nahrungs- und Genusmittel, IV, 489–92. (1901) - Page 102:
Bestandtheile der RÜbensache. Ber. Bestandtheile der RÜbenasche. Ber. - Page 102:
Calcium- und Magnesium-salze im Calcium- und Magnesiumsalze im - Page 105:
das Vorhandsein von Arsen das Vorhandensein von Arsen - Page 105:
der Pflanzen-production. Casopis pro prumsyl chemicky, der Pflanzenproduction. Casopis pro prumysl chemicky, - Page 107:
Fungi Fungi Cu, 33; - Page 110:
Photosynthesis, effect of copper on, 32 Photo-synthesis, effect of copper on, 32 - Footnote 4:
in Just Bot. Jahresber. in Just’s Bot. Jahresber. |
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