%C ICRISAT Center Patancheru, India %A P T C Nambiar %A P J Dart %P 110-124 %D 1980 %L icrisat3602 %X Symbiotic nitrogen fixation depends on an interaction between the Rhizobium strain, host plant genome and environment. We are examining all the three components with the objective of increasing biological nitrogen fixation by groundnut......... %T Studies on nitrogen fixation by groundnut at ICRISAT