ScienceJohn Michels (Journalist) 1936 |
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Page 182
... plants and caused symptoms very similar to those of plants affected by brown root - rot in the field . In sterilized media containing these forms of nitrogen growth was slow , but the roots were not injured . These experiments indicated ...
... plants and caused symptoms very similar to those of plants affected by brown root - rot in the field . In sterilized media containing these forms of nitrogen growth was slow , but the roots were not injured . These experiments indicated ...
Page 252
... PLANTS TO APHIDS IN the course of studies1 of the effects of selenium on wheat it was noted that aphids , Rhopalosiphum prunifoliae ( Fitch ) , did not attack plants injured by selenium in solution cultures or soils . Since both rats ...
... PLANTS TO APHIDS IN the course of studies1 of the effects of selenium on wheat it was noted that aphids , Rhopalosiphum prunifoliae ( Fitch ) , did not attack plants injured by selenium in solution cultures or soils . Since both rats ...
Page
... plants , an attempt has been made to give an adequate and balanced survey of the plant kingdom without undue emphasis on any one group . The book is up to date , presenting the latest developments on the life history of the lily and the ...
... plants , an attempt has been made to give an adequate and balanced survey of the plant kingdom without undue emphasis on any one group . The book is up to date , presenting the latest developments on the life history of the lily and the ...
Contents
VOL | 1 |
Academy of Science Nebraska 20 North Carolina | 20 |
Activity Measurement K M WILBUR 274 | 35 |
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Academy of Sciences acid activity Advancement of Science Agriculture American animals annual aphids appointed ascorbic acid Association awarded bacteriology biological Botanical Bureau California cells cent chem chemical chemist chemistry Chicago City College committee Cornell University Council culture director discussion disease Division effect eggs electrical engineering fessor field film Forest genes geology Grand Central Terminal Harvard Harvard University held horticulture human ical industrial insects Institute interest investigations Jour laboratory lecture living material mathematics Medal Medicine meeting ment method Museum National nature observed organic papers physics physiology plants present president problems professor protein recent RECENT DEATHS reported Rochester Rockefeller Foundation SCIENCE FRIDAY scientific scientists secretary Section selenium session Sigma Xi Smithsonian Institution Building Society soil solution species specimens Survey temperature Theobald Smith tion tissue tumors United University versity vitamin Washington William York York City