[142] See p. 282.
[143] See Heiden's 'Düngerlehre,' vol. ii. p. 58.
[144] Heiden's 'Düngerlehre,' vol. i. p. 404.
[145] The following quantities of nitrogen are found in rye, pea, and bean straw:—
| Ranging from | Average | Lb. | |
| per cent. | per cent. | per ton. | |
| Rye-straw | .30 to .73 | .57 | 12.76 |
| Pea-straw | .76 to 1.61 | 1.21 | 27.10 |
| Bean-straw | 1.15 to 2.62 | 1.92 | 43.00 |
[146] Dr J. M. H. Munro recommends the sprinkling of a little finely sifted peat-powder in addition to straw, as an excellent means of preventing loss of volatile ammonia in the fermentation of manure.
[147] See 'Mark Lane Express,' October 7, 1889, p. 475.
[148] See Appendix, Note VII., p. 283.
[149] For analyses see Appendix, Note VIII., p. 283.
[150] According to Storer, in a ton of autumn leaves of the best quality there would be 6 lb. of potash, less than 3 lb. of phosphoric acid, and 10 or 15 lb. of nitrogen. Another substance that may be used as a litter is sawdust. This substance is a good absorbent, but is of little value as a manurial substance.