Ralph J. Barnes

Non‐volatile organic acids of grasses

Edwin Jones, Ralph J. Barnes · Journal of the Science of Food and Agriculture · 1967 · 28 citations

Agriculture, Animal Sciences, Forage Production +10

The influence of fertiliser N plus K on N, S and other mineral elements in perennial ryegrass at a range of sites

David Whitehead, Lloyd H. P. Jones, Ralph J. Barnes · Journal of the Science of Food and Agriculture · 1978 · 25 citations

Agriculture, Agronomy, Soil Sciences +9

Methodology adjusting for least squares regression slope in the application of multiplicative scatter correction to near‐infrared spectra of forage feed samples

M.S. Dhanoa, Secundino López, R. Sanderson et al. · Journal of Chemometrics · 2023 · 18 citations · Full text

Natural Sciences, Biostatistics, Remote Sensing +16

An investigation of analytical procedures for predicting soil nitrogen supply to grass in the field

David Whitehead, Ralph J. Barnes, John C. Morrison · Journal of the Science of Food and Agriculture · 1981 · 17 citations

Agriculture, Agronomy, Soil Sciences +17

Nitrogen, sulphur and other mineral elements in white clover and perennial ryegrass grown in mixed swards, with and without fertiliser N, at a range of sites in the UK

David Whitehead, Ralph J. Barnes, Lloyd H. P. Jones · Journal of the Science of Food and Agriculture · 1983 · 16 citations

Agriculture, Agronomy, Plant Sciences +8