Concepedia
Statistics
Publications
24
Citations
1.6K
H-Index
21
Active since
1995
Affiliations
DairyNZ(Current)
Teagasc - The Irish Agriculture and Food Development Authority
AgResearch
Livestock Improvement Corporation
Department of Conservation
J.W. Penno is an author at DairyNZ specializing in agriculture, dairy science, and livestock production.
Publications per year
1995–2017
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
Agriculture, Agronomy, Dairy Science +17
Effect of Stocking Rate on Pasture Production, Milk Production, and Reproduction of Dairy Cows in Pasture-Based Systems
K.A. Macdonald, J.W. Penno, J.A.S. Lancaster et al. · Journal of Dairy Science · 2008 · 258 citations · Full text
Agriculture, Dairy Science, Pasture Management +17
Nitrogen fixation by white clover in pastures grazed by dairy cows: Temporal variation and effects of nitrogen fertilization
S.F. Ledgard, M. S. Sprosen, J.W. Penno et al. · Plant and Soil · 2001 · 132 citations
Agriculture, Agronomy, Pasture Management +17
A Comparison of Three Strains of Holstein-Friesian Grazed on Pasture and Managed Under Different Feed Allowances
K.A. Macdonald, G.A. Verkerk, B.S. Thorrold et al. · Journal of Dairy Science · 2008 · 120 citations · Full text
Agriculture, Dairy Science, Pasture Management +16
Effect of Feeding Level Pre- and Post-Puberty and Body Weight at First Calving on Growth, Milk Production, and Fertility in Grazing Dairy Cows
K.A. Macdonald, J.W. Penno, A. M. Bryant et al. · Journal of Dairy Science · 2005 · 109 citations · Full text
Agriculture, Animal Sciences, Dairy Science +16
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