Nitrogenase (C₂H₂) Activity in Roots of Non‐Cultivated and Cereal Plants: Influence of Nitrogen Fertilizer on Populations and Activity of Nitrogen‐Fixing Bacteria

Methods for Growing Spirillum lipoferum and for Counting It in Pure Culture and in Association with Plants

1977 • 386 citations

Nitrogen Fixation by Free‐living Microorganisms

1976 • 303 citations

Potential for Nitrogen Fixation in Maize Genotypes in Brazil

1975 • 290 citations

Nitrogenase activity in the rhizosphere of sugar cane and some other tropical grasses

1972 • 133 citations

Root-Associated N 2 Fixation (Acetylene Reduction) by Enterobacteriaceae and Azospirillum Strains in Cold-Climate Spodosols

1981 • 128 citations

Nitrogen fixation (acetylene reduction) associated with roots of winter wheat and sorghum in Nebraska

1978 • 108 citations

Immediate Acetylene Reduction by Excised Grass Roots Not Previously Preincubated at Low Oxygen Tensions

1979 • 68 citations

Nitrogen fixation associated withJuncus balticus and other plants of oregon wetlands

1976 • 45 citations

Yield increases of tropical grasses after inoculation with Spirillum lipoferum

1978 • 29 citations

Limiting Factors in Grass Nitrogen Fixation

1978 • 29 citations

Nitrogen fixation associated with Scirpus atrovirens and other nonnodulated plants in Massachusetts

1978 • 28 citations

Nitrogen assimilation and dissimilation in five genotypes of Brachiaria spp.

1981 • 17 citations

Nitrogen assimilation and dissimilation in five genotypes of Brachiaria spp.

1981 • 16 citations

Growth and Survival of Azospirillum Lipoferum in Soil and Rhizosphere as Influenced by Ecological Stress Conditions

1982 • 14 citations

Associative nitrogenase activity by some Hawaiian grass roots

1977 • 13 citations

N₂‐Fixation by roots and rhizosphere of sand dune plants

1978 • 13 citations

Seasonal variation in the nitrogenase activity of aPanicum maximum var.trichoglume pasture and identification of associated bacteria

1981 • 6 citations