by Ernest Clarke

Summary

by Ernest Clarke Dictionary of National Biography (1901)

He says, however, that 'for three or four years he does not remember any connection between agriculture and chemistry crossing his mind; but the remark of a gentleman, Lord Dacre, who farmed near him, who pointed out that in one farm bones were invaluable for the turnip crop, and on another farm they were useless, attracted his attention a good deal.' The investigations which Lawes made to discover the reason for this may fairly be regarded as the germ of the Rothamsted experiments, which subsequently became world-famous.
Source: Wikisource

by Ernest Clarke Dictionary of National Biography (1901)

Observing the beneficial results upon his own turnip crops at Rothamsted by dressing them with bones dissolved in sulphuric acid, Lawes took out in 1842 a patent, in which he showed how apatite and coprolite and other mineral or fossil phosphates might be converted into a potent manure by treatment with sulphuric acid. He thus laid the foundation for what speedily became and still remains a very important industry, and he was indeed the pioneer of the now very large agricultural manure trade.
Source: Wikisource

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