The 15N-isotope dilution technique applied to the estimation of biological nitrogen fixation associated with Paspalum notatum cv. batatais in the field

Statistical Methods in Biology.

1959 • 935 citations

Statistical Methods in Biology.

1960 • 413 citations

Nitrogen Fixation by Free‐living Microorganisms

1976 • 303 citations

Influence of Inorganic Nitrogen on Nitrogen Fixation by Legumes as Revealed by N15¹

1958 • 263 citations

Efficiency of Symbiotic Nitrogen Fixation in Legumes

1980 • 250 citations

Nitrogenase Activity and Oxygen Sensitivity of the Paspalum notatum-Azotobacter paspali Association

1972 • 245 citations

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

1975 • 186 citations

Genetic Engineering for Nitrogen Fixation

1977 • 184 citations

Isotope-Ratio Analysis of Nitrogen in Nitrogen-15 Tracer Investigations

2016 • 155 citations

Nodulating and Nonnodulating Soybean Isolines: II. Response to Applied Nitrogen and Modified Soil Conditions¹

1966 • 150 citations

Isotopic studies on the uptake of nitrogen by pasture plants. III. The uptake of small additions of 15N-labelled fertilizer by Rhodes grass and Townsville lucerne

1967 • 118 citations

Confirmation of nitrogen fixation in two tropical grasses by 15N2 incorporation

1977 • 111 citations

Associative N[2]-fixation

1981 • 91 citations

Yield and Composition of Soybean Seed as Affected by N and S Fertilization¹

1975 • 82 citations

¹⁵N-Isotope dilution as a measure of dinitrogen fixation by Azospirillum brasilense associated with maize

1980 • 56 citations

Utilization of Soil and Fertilizer N by Oats in Relation to the Available N Status of Soils

1967 • 50 citations

NON‐SYMBIOTIC NITROGEN‐FIXING BACTERIA IN SOIL

1957 • 50 citations

Azotobacter paspali sp. n., uma bactéria fixadora de nitrogênio na rizosfera de Paspalum

1966 • 49 citations

Non-symbiotic nitrogen fixing bacteria in tropical soils

1971 • 47 citations

Experiments on nitrogen fixation by nodulated lucerne

1971 • 44 citations

Isotopic studies on the uptake of nitrogen by pasture plants. IV. Uptake of nitrogen from labelled plant material by Rhodes grass and Siratro

1968 • 43 citations

Field measurements of symbiotic nitrogen fixation in an established pasture using acetylene reduction and a 15N method

1978 • 39 citations

The effect of nitrogen fertilization on the release of soil nitrogen

1968 • 35 citations

Transformation of soil and fertilizer nitrogen in paddy soil and their availability to rice plants

1977 • 26 citations

Nitrogenase activity associated with three tropical grasses growing in undisturbed soil cores

1980 • 26 citations

Acetylene reduction in the rhizosphere of rice: Methods of assay

1978 • 22 citations

SOIL ORGANIC MATTER, CROP YIELDS, AND LAND USE IN THE TEXAS BLACKLAND

1954 • 22 citations

Soil Nitrogen Accretion under Different Covers in a Tropical Rain-Forest Environment

1963 • 19 citations

Further research on Azotobacter paspali and its variety specific occurrence in the rhizosphere of Paspalum notatum Flugge.

1970 • 17 citations

Nitrogen fixation associated with sorghum and millet

1981 • 17 citations

Maintenance Level of Nitrogen and Organic Matter in Grassland and Cultivated Soils over Periods of 54 and 72 Years¹

1945 • 13 citations

Use of 15N-enriched soil to study N2 fixation in grasses.

1977 • 6 citations