1. 15N uptake N2 fixation and Rhizobial interstrain competition in soybean and bean, intercropped with maize;Abaidoo;Soil Biology & Biochemistry,1989
2. Effect of N-fertilizer on yield, protein content, and symbiotic N-fixation in Pisum sativum L. grown in pure stand and mixtures with barley;Anderson,1981
3. Field experiments with inoculation and nitrogen fertilization of peas;Bengtsson;Swedish Journal of Agricultural Research,1989
4. Nitrogen-total;Bremner,1982
5. Yield and N2 fixation of pea and lentil as affected by intercropping and N application;Cowell;Canadian Journal of Soil Science,1989