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Nodule growth and activity may be regulated by a feedback mechanism involving phloem nitrogen

R. Parsons ; A. Stanforth ; J. Raven ; J. Sprent | 1993

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Present and potential uses of the natural abundance of stable isotopes in plant science, with illustrations from the marine environment

J. Raven | 1992

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Relationships between shoot to root ratio, growth and leaf soluble protein concentration of Pisum sativum, Phaseolus vulgaris and Triticum aestivum under different nutrient deficiencies

M. Andrews ; J. Sprent ; J. Raven ; P. Eady | 1999

Relations between shoot to root dry weight ratio (S : R), total plant dry weight (DW), shoot and plant N concentration and leaf soluble protein concentration were examined for pea (Pisum sativum L.), common bean (Phaseolus vulgaris L.) and wheat[...]

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The use of natural abundance of nitrogen isotopes in plant physiology and ecology

L. Handley ; J. Raven | 1992

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Variations of the natural abundances of nitrogen and carbon isotopes in Triticum aestivum, with special reference to phloem and xylem exudates

T. Yoneyama ; L. Handley ; C. Scrimgeour ; D. Fisher ; J. Raven | 1997

This work explored whether the natural abundances of carbon and nitrogen isotopes could be used to describe the movement of C and N within wheat plants; we also considered whether isotopic analyses of aphids or their honeydew would substitute fo[...]

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