Nitrogen fixation by white clover in pastures grazed by dairy cows: Temporal variation and effects of nitrogen fertilization

Biological nitrogen fixation in mixed legume/grass pastures

S.F. Ledgard, K. W. Steele · Plant and Soil · 1992 · 470 citations

Engineering, Botany, Agricultural Economics +3

Nitrogen inputs and losses from clover/grass pastures grazed by dairy cows, as affected by nitrogen fertilizer application

S.F. Ledgard, J.W. Penno, M. S. Sprosen · The Journal of Agricultural Science · 1999 · 292 citations

Engineering, Nitrogen Fertilizer Application, Agricultural Economics +20

Nitrogen cycling in low input legume-based agriculture, with emphasis on legume/grass pastures

S.F. Ledgard · Plant and Soil · 2001 · 272 citations

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 · 268 citations

Isotope Analysis, Biogeochemistry, Engineering +7

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

Clayton D. McAuliffe, D. S. Chamblee, H. Uribe‐Arango et al. · Agronomy Journal · 1958 · 264 citations

Applied N Fertilizer, Biogeochemistry, Engineering +14