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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