Science, Том 134John Michels (Journalist) American Association for the Advancement of Science, 1961 Since Jan. 1901 the official proceedings and most of the papers of the American Association for the Advancement of Science have been included in Science. |
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Стр. 51
... plants of Coral Bells and Alaska cultivars . These plants were lighted 4 hr nightly with 100 - watt in2 candescent filament bulbs to stimulate growth . Unpruned plants continued . vegetative growth and those pruned produced new ...
... plants of Coral Bells and Alaska cultivars . These plants were lighted 4 hr nightly with 100 - watt in2 candescent filament bulbs to stimulate growth . Unpruned plants continued . vegetative growth and those pruned produced new ...
Стр. 19
... plants treated on one leaf only to trace the movement of streptomycin . These tests included direct plating of leaf , petiole , stem , and root segments ; freezing and thawing the various plant parts and then pressing out the plant ...
... plants treated on one leaf only to trace the movement of streptomycin . These tests included direct plating of leaf , petiole , stem , and root segments ; freezing and thawing the various plant parts and then pressing out the plant ...
Стр. 10
... plant and also the unpollinated female exhibit senescence , and in fact in the cases of both hemp and spinach , the male plants even die before the fruiting female plants . The removal of flowers from the male spinach plant defers the ...
... plant and also the unpollinated female exhibit senescence , and in fact in the cases of both hemp and spinach , the male plants even die before the fruiting female plants . The removal of flowers from the male spinach plant defers the ...
Содержание
Millipore | 640 |
DETERMINATION | 654 |
Particles containing lead in both soluble | 672 |
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