Field measurement of symbiotic nitrogen fixation in an established lucerne ley using15N and an acetylene reduction method

The Acetylene-Ethylene Assay for N₂ Fixation: Laboratory and Field Evaluation

1968 • 2,209 citations

Hydrogen evolution: A major factor affecting the efficiency of nitrogen fixation in nodulated symbionts

1976 • 473 citations

Symbiotic nitrogen fixation in plants

1976 • 420 citations

A Major Error in the Acetylene Reduction Assay: Decreases in Nodular Nitrogenase Activity Under Assay Conditions

1983 • 416 citations

Root Nodule Enzymes of Ammonia Assimilation in Alfalfa (Medicago sativa L.)

1981 • 241 citations

Nitrogen Fixation, Nodule Development, and Vegetative Regrowth of Alfalfa (Medicago sativa L.) following Harvest

1979 • 227 citations

The Quantitative Relationship between Nitrogen Fixation and the Acetylene-Reduction Assay

1970 • 226 citations

An independent measurement of the amount of nitrogen fixed by a legume crop

1975 • 186 citations

Field Evaluation of Reference Crops in the Study of Nitrogen Fixation by Legumes Using Isotope Techniques¹

1982 • 90 citations

N ₂ Fixation, and N and Dry Matter Partitioning During a 4‐Year Alfalfa Stand ¹

1984 • 90 citations

Experimental Site of the ‘Ecology of Arable Land’ Project

1984 • 77 citations

Field evaluation of N2-fixation and N-utilization by phaseolus bean varieties determined by15N isotope dilution*

1982 • 75 citations

Effects of water stress on nitrogen fixation in root nodules

1971 • 73 citations

The acetylene reduction assay as a means of studying nitrogen fixation in white clover under sward and laboratory conditions

1976 • 71 citations

Quantifying dinitrogen (N₂) fixation in soybeans by ¹⁵N isotope dilution: the question of the nonfixing control plant

1982 • 64 citations

Regulation of nitrogen fixation in a grazed pasture

1978 • 63 citations

Nitrogen Fixation of Alfalfa in the Seeding Year¹

1981 • 60 citations

Nitrogen Fixation and Vegetative Regrowth of Alfalfa and Birdsfoot Trefoil after Successive Harvests or Floral Debudding

1981 • 57 citations

Conversion factor between acetylene reduction and nitrogen fixation in soil: Effect of water content and nitrogenase activity

1983 • 46 citations

Symbiotic nitrogen fixation in a sequence of pastures of increasing age measured by a¹⁵N dilution technique

1978 • 46 citations

Influence of Temperature and Harvest Management on Growth, Level of Carbohydrates in the Roots, and Survival of Alfalfa (Medicago sativa L.)¹

1965 • 43 citations

Nodule and Leaf Nitrate Reductases and Nitrogen Fixation in Medicago sativa L. under Water Stress

1982 • 37 citations

Effect of Harvest Management and Temperature on Forage Yield, Root Carbohydrates, Plant Density and Leaf Area Relationships in Alfalfa ( Medicago sativa L. cultivar ' Moapa ') ¹

1968 • 37 citations

SEASONAL PATTERNS OF NITROGEN FIXATION AND DRY MATTER PRODUCTION BY CLOVERS GROWN IN THE PEACE RIVER REGION

1980 • 36 citations

Photosynthate Partitioning in Relation to N₂ Fixation Capability of Alfalfa¹

1983 • 33 citations

¹⁵N₂ fixation, H₂ evolution and C₂H₂ reduction relationships in Phaseolus vulgaris

1980 • 30 citations

Relative Efficacy of Different Alfalfa Cultivar- Rhizobium meliloti Strain Combinations for Symbiotic Nitrogen Fixation

1982 • 30 citations

The Influence of Available Nitrate Levels on Nitrogen Fixation in Three Cultivars of Cowpea¹

1982 • 29 citations

Alfalfa Response to Soil Water Deficits. III. Nodulation and N2 Fixation¹

1983 • 28 citations

Dinitrogen Fixation, Herbage Yield, and Rhizobial Preference of Selected Alfalfa Clones¹

1984 • 28 citations

Alfalfa Root Nodule Distribution and Inhibition of Nitrogen Fixation by Heat¹

1977 • 24 citations

A comparison between the acetylene reduction method, the isotope dilution method and the total nitrogen difference method for measuring nitrogen fixation in lucerne (Medicago sativa L.)

1984 • 21 citations

Host Plant and Rhizobium Effects on Acetylene Reduction in Alfalfa during Regrowth ¹

1982 • 17 citations

Hydrogen evolution from white clover

1981 • 15 citations

Root Nodule Enzymes of Ammonia Assimilation in Alfalfa

1981 • 14 citations

Nitrogen Fixation in an Establishing Alfalfa ( Medicago sativa L.) Ley in Sweden, Estimated by Three Different Methods

1984 • 9 citations

DETERMINATION OF NITROGENASE ACTIVITY UNDER FIELD CONDITIONS

1980 • 3 citations

Diurnal variations of N2(C2H2)-fixing activity in Medicago sativa under water stress.

1980 • 2 citations