. The book of the Rothamsted experiments. Lawes, J. B. (John Bennet), 1814-1900; Gilbert, Joseph Henry, Sir, 1817-1901; Rothamsted Experimental Station; Agriculture -- Experimentation; Agricultural chemistry. EFFECT OF CHANGINCI 1111: MANURES UJO of grasses, tlie nitrogenous iiianuiH's were (liscontiiiucd, and ii. their place a complete mineral manure containing potash was applied. The diagram Fig. 29 shows the elleet of this change of treatment on the composition of the heritage; the columns .show the average proportion of gi-asses, leguminous plants, and ;. ;r. Aflor


. The book of the Rothamsted experiments. Lawes, J. B. (John Bennet), 1814-1900; Gilbert, Joseph Henry, Sir, 1817-1901; Rothamsted Experimental Station; Agriculture -- Experimentation; Agricultural chemistry. EFFECT OF CHANGINCI 1111: MANURES UJO of grasses, tlie nitrogenous iiianuiH's were (liscontiiiucd, and ii. their place a complete mineral manure containing potash was applied. The diagram Fig. 29 shows the elleet of this change of treatment on the composition of the heritage; the columns .show the average proportion of gi-asses, leguminous plants, and ;. ;r. Aflor. Hefor-. Plot 6. Change to Minerals from Ammonium-salts. I Plot 15. Change to Minerals from Nitrate of Soda. Le|umInosa per cent i Plot 8. Omission of Potash. Weeds, per cem Fig. 29.—Progressive effect of Changes in the Manuring on the Composition of the Hay Crop. Five-year periods. weeds before the change, and for five-year periods afterwards. On Plot f3 annnonium-salts alone was applied up to 1868, at which time the grasses constituted 03 per cent, of the herbage, and the weeds 37 per cent.—tlie leguminous jjlanis. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Hall, Daniel, Sir, 1864-1942; Lawes Agricultural Trust Committee; Warington, Robert, 1838-1907. London, J. Murray


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectagriculturalchemistr