Summary
Vanillic acid, p-hydroxy benzoic acid, p-coumaric acid and three other unidentified phenolic acids were detected in the Annamalainagar rice field soils. The quantity of total phenols decreased significantly following increased dose of nitrogenous fertilizer. The rice cultivar Co. 13 responded well to increasing N application. When tested in vitro, cinnamic acid even at 0.0001 M concentration proved detrimental to the growth of rice seedlings. The decrease in the level of phenols in soil following increased N application was suggested as one of the causes for prolific growth of rice plants. re]19721024
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Chandramohan, D., Purushothaman, D. & Kothandaraman, R. Soil phenolics and plant growth inhibition. Plant Soil 39, 303–308 (1973). https://doi.org/10.1007/BF00014797
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DOI: https://doi.org/10.1007/BF00014797