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See also: Duhamel, See also: lord of Denainvilliers, was See also: born at See also: Paris in 1700
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Having been requested by the See also: Academy of Sciences to investigate a disease which was destroying the See also: saffron plant in Gatinais, he discovered the cause in a parasitical fungus which attached itself to the roots, and this achievement gained him See also: admission to the Academy in 1728
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From then until his See also: death he busied himself chiefly with making experiments in See also: vegetable physiology
.
Having learned from See also: Sir Hans See also: Sloane that See also: madder possesses the See also: property of giving colour to the bones, he fed animals successively on See also: food mixed and unmixed with madder; and he found that their bones in general exhibited concentric strata of red and See also: white, whilst the softer parts showed in the meantime signs of having been progressively extended
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From a number of experiments he was led to believe himself able to explain the growth of bones, and to demonstrate a parallel between the manner of their growth and that of trees
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Along with the naturalist Buffon, he made numerous experiments on the growth and strength of
See also: wood, and experimented also on the growth of the mistletoe, on layer planting, on smut in corn, &c
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He was probably the first, in 1736, to distinguish clearly between the alkalis, potash and soda
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From the See also: year 1740 he made meteorological observations, and kept records of the influence of the weather on agricultural production
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For many years he was inspector-general of marine, and applied his scientific acquirements to the improvement of See also: naval construction
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He died at Paris on the 13th of See also: August 1782
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His See also: works are nearly ninety in number, and include many technical handbooks
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The See also: principal are: Traite See also: des arbres et arbustes qui se cultivent en See also: France en pleine terre ; Elements de l'architecture navale ; Traiti general des peches maritimes et fluviatiles; Elements d'See also: agriculture; La Physique des arbres; Des Semis et plantations des arbres et de leur culture; De l'exploitation des bois; Traite des arbres fruitiers
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