Premium
STUDIES IN PLANT NUTRITION
Author(s) -
STREET H. E.
Publication year - 1950
Publication title -
annals of applied biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.677
H-Index - 80
eISSN - 1744-7348
pISSN - 0003-4746
DOI - 10.1111/j.1744-7348.1950.tb01035.x
Subject(s) - avena , biology , aqueous solution , aqueous extract , botany , dry weight , food science , agronomy , chemistry , traditional medicine , medicine
The addition of an aqueous extract of leaf mould to lettuce and radish plants, grown in sand with inorganic culture solutions, caused significant increases in fresh and dry weights. An aqueous solution of a yeast extract caused significant, though smaller, increases in fresh and dry weights of radish plants. An aqueous extract of ‘bacterized’ peat had no significant effect on the growth of radish and was toxic to lettuce. The organic supplements had no significant effect on oats grown under similar conditions. Neither the beneficial nor the toxic effects of the organic supplements can be satisfactorily explained on their content of auxins active in the Avena test.