Assessing nitrogen transfer from legumes to associated grasses

A closed ammonia cycle within a plant canopy

O. T. Denmead, J. R. Freney, J. R. Simpson · Soil Biology and Biochemistry · 1976 · 235 citations

Agriculture, Plant Biology, Plant Sciences +14

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

I Vallis, KP Haydock, PJ Ross et al. · Australian Journal of Agricultural Research · 1967 · 119 citations

Agriculture, Plant Sciences, Soil Sciences +17

Uptake of soil nitrogen by legumes in mixed swards

I Vallis, EF Henzell, TR Evans · Australian Journal of Agricultural Research · 1977 · 82 citations

Agriculture, Plant Sciences, Soil Sciences +17

Field evaluation of 15N techniques for estimating nitrogen fixation in legume-grass associations

S.F. Ledgard, J. R. Simpson, J. R. Freney et al. · Australian Journal of Agricultural Research · 1985 · 74 citations

Agriculture, Agronomy, Plant Sciences +15

Transfer of nitrogen from three pasture legumes under periodic defoliation in a field environment

J. R. Simpson · Australian Journal of Experimental Agriculture and Animal Husbandry · 1976 · 55 citations

Agriculture, Agronomy, Soil Sciences +17