ScienceJohn Michels (Journalist) 1946 |
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Results 1-3 of 79
Page 469
... PLANT GROWTH REGULA- TORS as herbicides is a subject of great in- terest to most individuals who deal with plant life . Recently this interest has increased rapidly , if one is to judge by the large number of articles on 2,4 - D ( 2,4 ...
... PLANT GROWTH REGULA- TORS as herbicides is a subject of great in- terest to most individuals who deal with plant life . Recently this interest has increased rapidly , if one is to judge by the large number of articles on 2,4 - D ( 2,4 ...
Page 475
... plant under consideration . Tests with duck- weed , or any other test plant in the laboratory or greenhouse , should be considered as preliminary to final evaluation of the herbicide under field conditions , and for the particular weed ...
... plant under consideration . Tests with duck- weed , or any other test plant in the laboratory or greenhouse , should be considered as preliminary to final evaluation of the herbicide under field conditions , and for the particular weed ...
Page 751
... plant genetics in the University of Minnesota from 1927 to 1929 and as assistant plant geneticist during 1929-30 . He then be- came associate geneticist with the Division of Sugar Plant Investigations of the U. S. Department of Agri ...
... plant genetics in the University of Minnesota from 1927 to 1929 and as assistant plant geneticist during 1929-30 . He then be- came associate geneticist with the Division of Sugar Plant Investigations of the U. S. Department of Agri ...
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