Expanding the Production and Use of Cool Season Food Legumes: A global perspective of peristent constraints and of opportunities and strategies for further increasing the productivity and use of pea, lentil, faba bean, chickpea and grasspea in different farming systems

Nitrogen fixation research progress: Proceedings of the 6th international symposium on Nitrogen Fixation, Corvallis, OR 97331, August 4–10, 1985

Plant Production on the Threshold of a New Century: Proceedings of the International Conference at the Occasion of the 75th Anniversary of the Wageningen Agricultural University, Wageningen, The Netherlands, held June 28 – July 1, 1993

Stable Isotope Techniques in the Study of Biological Processes and Functioning of Ecosystems

Biological Nitrogen Fixation, Sustainable Agriculture and the Environment: Proceedings of the 14th International Nitrogen Fixation Congress

Biological Nitrogen Fixation: Towards Poverty Alleviation through Sustainable Agriculture: Proceedings of the 15th International Nitrogen Fixation Congress and the 12th International Conference of the African Association for Biological Nitrogen Fixation