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

  • Humphry Davy
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.

    410/428 (page 54)
    LXXXIV. Agrostis fascicularis. Iluds. Var. canina. Curl. Tufted leaved bent. Nat. of Britain. At the time of flowering, the produce from a light sandy soil, is oz or lb*, per acre Grass, 4 oz. The produce per acre 80 dr. of grass weigh when dry The produce of the space, ditto 20 dr. 43560 0 = 2722 8 O' 16 dr. > 10890 0 = 680 10 0 acre in : 2 dr. drying { - 2041 14 0 2 dr. | 1361 4 = 85 1 4 The produce of the space, ditto LXXXV. Festnca pinnata. Bromus pinnatus. Engl. Bot. 730. Spiked fescue. Nat. of Britain. At the time the seed is ripe, the produce from a light sandy soil, with manure, is Grass, 30 oz. The produce per acre - 326700 0 =20418 12 0 80 dr. of grass weigh when dry 32 dr.l The produce of the space, ditto 192 dr. J130680 0 = = 8167 8 0 \ The weight lost by the produce of one acre in'drying 12251 4 0 64 dr. of grass afford of nutritive matter 1.1 dr. 'I The produce of the space, ditto 9 H ] 6380 13 = = 398 12 13 LXXXVI. Panicum virile. Curt. Lond. Engl. Bot. 875. Green panic grass. Nat. of Britain. At the time the seed is ripe, the produce from a light sandy soil, is Grass, 8 oz. The produce per acre 80 dr. of grass weigh when dry The produce of the space, ditto 32 dr. 87120 1 0 = 5445 0 0 517 f 34848 0 = 2178 0 '0 acre in • 1.2 dr. drying 1 3267 0 0 3 dr. \ 2041 14 = 127 9 14 The produce of the space, ditto LXXXYII. Panicum sangninale. Curt. Lond. Engl. Bot. 849. Blood coloured panic grass. Nat. of Britain. At the time the seed is ripe, the produce from a sandy soil, is Grass, 10 oz. The produce per acre - 108900 0 = 6806 4 0 64 dr. of grass afford of nutritive matter l.OYr 1914 4 = 119 10 4