TABLE II. EXAMPLES OF ESTIMATES RANGE OF NITROGEN FIXATION
BY SOME LEGUMES
Crop Nitrogen
fixation kg/ha
Alfalfa 100-300
Black gram 119-140
Clover ' 100-150
Chickpea 23-97
Cluster bean 37-196
Common bean Nill
Cowpea 9-125
Groundnut 27-206
Lentle 35-100
Greengram 50-56
Pigeonpea 4-200
Rice bean 32-97
Soybean 49-450
Peas 46
Fenugreek 44