Key points are not available for this paper at this time.
CONTENTS INTRODUCTION 483 METHODS FOR MEASURING NITROGENASE ACTIVITY IN LEGUME NODULES... 484 The Acetylene Reduction Assay (ARA) 485 Measurement of Nodule H2 Evolution . .... 487 Measured Values of Nitrogenase Activity: Past and Present 489 IN VIVO NITROGENASE ACTIVITY: POTENTIAL AND LIMITATIONS 490 H2 Inhibition of N2 Fixation 490 02 Limitation of Nitrogenase Activity 492 ENVIRONMENTAL FACTORS AFFECTING NITROGENASE ACTIVITy 498 Restriction of Phloem Sap Supply 498 Nitrate Fertilization 500 Drought Stress 502 DEVELOPMENTAL AND LONG-TERM ADAPTA nON TO RHIZOSPHERE p02 ......... 503 CONCLUDING REMARKS 504
Hunt et al. (1993) studied this question.