article/chapitre/communication

Nitrogen mineralization in density fractions of soil organic matter from maize and legume cropping systems

E. Barrios ; R. Buresh ; J. Sprent | 1996

Biologically-mediated nutrient availability in the soil is largely dependent on soil organic matter (SOM) decomposition and mineralization processes. The light fractions of SOM obtained by floatation of the sand-size fraction in a silica suspens[...]

Plus d'information...

Ajouter au panier

Document numérique

Disponible pour le prêt

article/chapitre/communication

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

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

Plus d'information...

Ajouter au panier

Disponible pour le prêt

article/chapitre/communication

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[...]

Plus d'information...

Ajouter au panier

Disponible pour le prêt

ouvrage

The ecology of the nitrogen cycle

J. Sprent | Cambridge [GBR] : Cambridge University Press | 1987

Plus d'information...

Ajouter au panier