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" ... were floating in the air and were deposited in the pots in which the plants grew. "
Bulletin - Page 158
by United States. Weather Bureau - 1905
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The Popular Science Monthly, Volume 37

Science - 1890
...cereals with which experiments have been completed have not manifested the same power, and they do not have such tubercles as are formed on the roots of the legumes. The addition of soil infusions did not seem necessary for the production of root-tubercles. The size...
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Agriculture of Pennsylvania

Agriculture - 1889
...cereals with which experiments have been completed have not manifested this power of acquiring nitrogen, nor do they have such tubercles as are formed on the roots of legumes. 5. In the experiments here reported the addition of soil infusions did not seem necessary...
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Annual Report, Volumes 1-6

Storrs Agricultural Experiment Station - 1889
...cereals with which experiments have been made have not manifested this poiver of acquiring nitrogen, nor do they have such tubercles as are formed on the roots of legumes. 6. In the experiments here reported the addition of soil infusions did not seem necessary...
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Experiment Station Record, Volume 1

United States. Office of Experiment Stations - Agricultural experiment stations - 1889
...cereals with which experiments have been completed have not manifested this power of acquiring nitrogen, nor do they have such tubercles as are formed on the roots of legumes. " (5) lu the experiments hero reported the addition of soil infusions did not seem necessary...
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The Popular Science Monthly, Volume 37

Science - 1890
...cereals with which experiments hare been completed have not manifested the same power, and they do not have such tubercles as are formed on the roots of the legumes. The addition of soil infusions did not seem necessary for the production of root-tubercles. The size...
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Bulletin, Issue 36

United States. Weather Bureau - Meteorology - 1905
...directly from the air during their growth. There is no doubt that the free nitrogen of the air is tlius acquired by these plants. This acquisition has something...are not furnished the spores of the organisms were floating in the air and were deposited in the pots in which the plants grew. As a rule, the greater...
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