selected publications
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article
- Drought tolerance improvement in tropical maize source populations: Evidence of progress. Crop Science. 46:180-191. 2006
- Fractal geometry of root systems: Field observations of contrasting genotypes of common bean ( Phaseolus vulgaris L.) grown under different phosphorus regimes. Plant and Soil. 206:181-190. 1999
- Variability of N2-fixation in common bean (Phaseolus vulgaris L.) under P deficiency is related to P use efficiency. Euphytica. 106:231-242. 1999
- Fractal geometry of root systems: Field observations of contrasting genotypes of common bean (Phaseolus vulgaris L.) grown under different phosphorus regimes. Plant and Soil. 206:181-190. 1999
- Influence of inoculation with arbuscular mycorrhizal fungi on stable isotopes of nitrogen in Phaseolus vulgaris. Biology and Fertility of Soils. 24:344-346. 1997
- Utilization of the acetylene reduction assay to screen for tolerance of symbiotic N2 fixation to limiting P nutrition in common bean. Physiologia Plantarum. 99:227-232. 1997
- Symbiotic Nitrogen Fixation by Chickpea in WANA and SAT 1996
- The Role of Rhizobial Biodiversity in Legume Crop Productivity in the West Asian Highlands. III. Rhizobium meliloti. Experimental Agriculture. 31:493-499. 1995
- The Role of Rhizobial Biodiversity in Legume Crop Productivity in the West Asian Highlands: I. Rationale, Methods and Overview. Experimental Agriculture. 31:473-483. 1995
- Biological nitrogen fixation: basic advances and persistent agronomic constraints 1994
- Cloning Bacillus thuringiensis toxin genes for control of nodule-feeding insects 1994
- Screening techniques and improved biological nitrogen fixation in cool season food legumes. Euphytica. 73:95-108. 1994
- Yield and nitrogen fixation of chickpea cultivars in response to inoculation with selected rhizobial strains. Agronomy Journal. 84:510-516. 1992
- Dinitrogen Fixation and Nitrogen Balance in Cool‐Season Food Legumes. Agronomy Journal. 83:334-341. 1991
- Nitrogen mineralization potentials of selected mediterranean soils. Communications in Soil Science and Plant Analysis. 22:23-36. 1991
- Some characteristics of Rhizobium leguminosarum isolates from uninoculated field-grown lentil. Soil Biology & Biochemistry. 23:933-937. 1991
- Nitrate‐n test as a guide to N fertilization of Weat in the mediterranean region. Communications in Soil Science and Plant Analysis. 21:1117-1130. 1990
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