ScienceJohn Michels (Journalist) 1938 |
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... PLANTS SELENIUM is the only mineral element known to be absorbed from the soil by food plants in sufficient quantities to render them lethal to animals.1 Beath2 and his associates have found that certain native plants -including several ...
... PLANTS SELENIUM is the only mineral element known to be absorbed from the soil by food plants in sufficient quantities to render them lethal to animals.1 Beath2 and his associates have found that certain native plants -including several ...
Стр. 108
John Michels (Journalist). relations of plants and the role of vitamins B and C in the growth of plants were presented . A paper describing a study of the rates of respiration in wheat mildew and its host revealed a striking increase in ...
John Michels (Journalist). relations of plants and the role of vitamins B and C in the growth of plants were presented . A paper describing a study of the rates of respiration in wheat mildew and its host revealed a striking increase in ...
Стр.
... plants manufacture sugar from carbon dioxide and water in the presence of sunlight . That process , photosynthesis , is the primary means by which food which plants and animals require is manu- factured . Yet photosynthesis , which is ...
... plants manufacture sugar from carbon dioxide and water in the presence of sunlight . That process , photosynthesis , is the primary means by which food which plants and animals require is manu- factured . Yet photosynthesis , which is ...
Содержание
Sci 105 | 1 |
KINARD F W South Carolina Academy of Science 553 | 22 |
FINKELSTEIN R and J M BIRKELAND Action of Sul | 43 |
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