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Soil Fertility > 18th Century > Flashcards

18th Century Flashcards

1
Q

Founder of modern agronomy wrote the book of agricultural practices

A

Pietro de Crescenzi

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2
Q

Book of agricultural practices

A

Opus ruralium commodorum

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3
Q

Observation of ash content as material they had removed from soil

A

Palissy

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4
Q

Water is the principal nourishment of plant

A

Francis Bacon

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5
Q

Water was the sole nutrient of plants

A

Jan baptiste van Helmont

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6
Q

Plants contained salt,spirits,earth and oil

He believed that observation was the only road to truth

A

Robert Boyle

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7
Q

Saltpeter and not water was the principle of vegetation

A

J.r Glauber

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8
Q

Saltpetre had been absorbed, or sucked up,by the plants during its rapid growth

A

John Mayow

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9
Q

Terrestrial matter,or earth,rather than water,was the principle of vegetation

A

John Woodward

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10
Q

Soil should be finely pulverized “lacteal mouths of the roots” “circulating system”

A

Jethro Tull

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11
Q

Experimental farm in England

A

John Wynn Baker

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12
Q

Annals of agriculture in 46 volumes,pot experiments

A

Arthur young

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13
Q

He carried out pot experiments to measure the effect of different substance on plant growth and Mede chemical analyses that lead to scientific agriculture

A

Francis Home

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14
Q

Mint purified air plants but failed to confirm his earlier results

A

Joseph Priestley

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15
Q

Purification of air goes in light only while vitiating takes place in the darkness

A

Jan igenhousz

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16
Q

Increased weight in the van Helmont willow tree was the result of fixed air

A

Jean senebier

17
Q

The effect of air on the plants and the origin of salts in plants

A

Theodore de Saussure

18
Q

Some plants may have received their C from the air but major portion of it was taken through the roots

A

Sir Humphrey Davy

19
Q

Father of field plot method of experimentation and recognized the value of Saussure’s observation

A

Jean baptiste Boussingault

20
Q

Modern fertilizer industry

A

Justus Vin Leibig

Soil Fertility (1 decks)

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