Elements of agricultural chemistry, in a course of lectures for the Board of Agriculture / By Sir Humphry Davy.

  • Davy, Humphry, Sir, 1778-1829.
Date:
1813
Catalogue details

Licence: Public Domain Mark

Credit: Elements of agricultural chemistry, in a course of lectures for the Board of Agriculture / By Sir Humphry Davy. Source: Wellcome Collection.

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    NCIII. Alopecurus agrestis. Engl. Bot. 848. A. myosuroides. Slender fox-tail grass. Nat. of Britain. Curt. Lond. At the time of flowering, the produce from a light sandy loam, is oz. or lbs. per acre Grass, 12 oz. The produce per acre - 130680 0 = 8167 8 0 80 dr. of grass weigh when dry 31 dr. 1 ° ° 1 50638 8 = 3164 14 8 The produce of the space, ditto 74.1-f- dr. J 64 dr. of grass afford of nutritive matter 1.3 dr. 1 The produce of the space, ditto 5.1 dr. j 3573 4 = 223 5 4 XCIV. Bromns asper. Engl. Bot. 1172. Curt. Lond. Bromus hirsutus. Huds. Bromus ramosus. B. syhaticus, volger. B. altissimus. Hairy stalked brome grass. Nat. of Britain. > At the time of flowering, the produce from a light sandy soil, is Grass, 20 oz. The produce per acre - 217800 0 =13612 8 0 80 dr. of grass weigh when dry 24 dr. The produce of the space, ditto 96 dr The weight lost by the produce of one acre in drying - 9528 64 dr. of grass afford of nutritive matter 2 dr The produce of the space, ditto 10 dr ::} i di !:} 65340 0 = 4083 12 12 0 0 6806 4 = 425 6 4 XCV. Phalaris canariensis, Engl. Bot. 1310. Common canary grass. Nat. of Britain. At the time of flowering the produce from a clayey loam, is Grass, 80 oz. The produce per acre 80 dr. of grass weigh when dry The produce of the space, ditto The produce in weight lost by drying 64 dr. of grass afford of nutritive matter The produce of the space, ditto 871200 0 =54450 0 0 26 dr.1 416 dr/283177 8 =17697 9 8 - - 36752 6 6 1.2 dr.l on ^ Y 20418 12 = 1876 2 12 h