R. Tobar

Improved nitrogen uptake and transport from 15N‐labelled nitrate by external hyphae of arbuscular mycorrhiza under water‐stressed conditions

J. Barea, R. Azcón, R. Tobar, 1994 .

Activity of nitrate reductase and glutamine synthetase in shoot and root of mycorrhizal Allium cepa Effect of drought stress

R. Azcón, R. Tobar, 1998 .

Effects of nitrogen source on growth, nutrition, photosynthetic rate and nitrogen metabolism of mycorrhizal and phosphorus-fertilized plants of Lactuca sativa L.

M. Gómez, R. Azcón, M. Gómez, 1992 .

Effect of a genetically modified Rhizobium meliloti inoculant on the development of arbuscular mycorrhizas, root morphology, nutrient uptake and biomass accumulation in Medicago sativa

J. Barea, C. Azcón-Aguilar, R. Tobar, 1996 .

The improvement of plant N acquisition from an ammonium-treated, drought-stressed soil by the fungal symbiont in arbuscular mycorrhizae

J. Barea, R. Azcón, R. Tobar, 1994, Mycorrhiza.

Impact of a genetically modified Rhizobium strain with improved nodulation competitiveness on the early stages of arbuscular mycorrhiza formation

J. Barea, C. Azcón-Aguilar, J. Sanjuán, 1996 .

Physiological and nutritional responses by Lactuca Sativa L. to nitrogen sources and mycorrhizal fungi under drought conditions

R. Azcón, M. Gómez, R. Tobar, 1996, Biology and Fertility of Soils.