R. J. Unwin

Publications

775

Citations

H-Index

1980

Active since

Affiliations

Agricultural Development Advisory Service (United Kingdom)(Current)

Ministère de l'Agriculture et de la Souveraineté alimentaire

Ministry of Agriculture and Agro Based Industry

R. J. Unwin is an author at Agricultural Development Advisory Service (United Kingdom) specializing in engineering, agricultural economics, and sustainable agriculture.

Top concepts

EngineeringAgricultural EconomicsSustainable AgricultureAnimal SciencePublic HealthAnimal NutritionAnimal Waste ManagementLand UseEducationLivestock Production

Publications per year

1980–2000

Publications

Heavy metal contents of livestock feeds and animal manures in England and Wales

F. A. Nicholson, B. Chambers, J. R. Williams et al. · Bioresource Technology · 1999 · 538 citations

Environmental Chemistry, Livestock Feeds, Engineering +12

Controlling Soil Water Erosion and Phosphorus Losses from Arable Land in England and Wales

B. J. Chambers, T. W. D. Garwood, R. J. Unwin · Journal of Environmental Quality · 2000 · 80 citations · Full text

Engineering, Geomorphology, Land Use +20

Cadmium and lead content of vegetable crops grown on land with a history of sewage sludge application

C. G. Chumbley, R. J. Unwin · Environmental Pollution Series B Chemical and Physical · 1982 · 59 citations

Environmental Chemistry, Engineering, Environmental Engineering +13

The effect of rate and time of application of nitrogen in cow slurry on grass cut for silage

R. J. Unwin, B. F. Pain, W. N. Whinham · Agricultural Wastes · 1986 · 38 citations

Nutrient Analysis, Engineering, Environmental Engineering +12

The effect upon earthworm populations of very large applications of pig slurry to grassland

R. J. Unwin, Serfiah Lewis · Agricultural Wastes · 1986 · 14 citations

Animal Science, Agricultural Economics, Pig Slurry +4

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