Artificial Manures Their Chemical Selection And Scientific Application to Agric
Artificial Manures Their Chemical Selection And Scientific Application to Agric
Georges Ville
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BEETROOT. Ashes from burnt colza . .. .. — Hauhn and pods . .. .. . — Normal manure, ^ No. 2, 528 lbs. . .. 248 Third Year. WHEAT, lbs. Ammonic sulphate . .. .. . 17G 1 12 ^ For composition, see p. 52. - For composition, see p. 52. 76 ON CHEMICAL MANURES lect. Vi. Fourth Year, CLOVER. Per acre Quantities Cost lbs. £ s. D. Incomplete maniire, i No. G . . . . 880 1 10 10 Fifth Year. WHEAT. Ammonic sulphate 170 1 12 £9 7 6 The cost for the five years is 9Z. 7s. Qd. Per acre, or nearly 2Z. Per annu...m. We can always replace the second crop of wheat, which succeeds the clover, hy a crop of oats. By do- ing this we save the ammonic sulphate recommended for the fifth year, reducing the five years' cost to 11. 15s. Qid. Per acre, the annual expense being reduced to 11. Lis. As a last example I will give a specimen of a six years' series in which the chemical agents are employed alone the first year, and are only used in combination with the farm- yard manure from the second yeoM onwards. The following is the composition of the series : — 1st year linseed.
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