Use of 15N isotope dilution for quantification of N2 fixation associated with roots of kallar grass (Leptochloa fusca (L.))

Steam distillation methods for determination of ammonium, nitrate and nitrite

J. M. Bremner, D. R. Keeney · Analytica Chimica Acta · 1965 · 1.1K citations

Natural Sciences, Chemistry, Analytical Chemistry +4

Applications of the acetylene-ethylene assay for measurement of nitrogen fixation

R. W. F. Hardy, R. C. Burns, R. D. Holsten · Soil Biology and Biochemistry · 1973 · 1.1K citations

Agriculture, Biochemistry, Analytical Chemistry +9

Measurement of amount of nitrogen fixed by a legume crop

Maurice Fried, V. Middelboe · Plant and Soil · 1977 · 341 citations

Agriculture, Agronomy, Crop Sciences +12

Estimating N2-fixation in the field using 15N-labelled fertilizer: Some problems and solutions

J. F. Witty · Soil Biology and Biochemistry · 1983 · 274 citations

Agriculture, Agronomy, Soil Sciences +12

Estimation of N2 fixation by isotope dilution: An appraisal of techniques involving 15N enrichment and their application

Phillip M. Chalk · Soil Biology and Biochemistry · 1985 · 269 citations

Natural Sciences, Earth Sciences, Analytical Chemistry +12