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Aspects of the comparative physiology of Ranunculus bulbosus L. and Ranunculus repens L. 1. Response to nitrogen



Aspects of the comparative physiology of Ranunculus bulbosus L. and Ranunculus repens L. 1. Response to nitrogen



Annals of Botany 37(152): 753-764



In both R. bulbosus and R. repens an increase in the extrinsic N supply from 10 to 50 ppm. led to greatly increased dry wts. and higher shoot-to-root ratios but a further increase from 50 to 200 ppm. had little effect. At low N levels the perennating organ of R. bulbosus (the corm) showed the greatest gain in dry wt. among individual plant components, the flowering stem and infructescence making greater wt. increases only at the higher N levels.

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