1Division of Soil-Water-Plant Relationship, Central Arid Zone Research Institute, Jodhpur-342 003
*Dry fanning Unit, C.A.Z.R.I., Jodhpur.
The nodulation and nitrogenase activity of 17 varieties of guar and 16 of moth were studied under field conditions. FS-277 in guar and Jodhpur local in moth were found to be the best N,-fixing varieties. No apparent relation was observed between the nodulation, nitrogen fixing ability and the grain yield in both these legumes.