[ 发表于: Research for Rural Development ]
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Forage and soil mineral concentrations over a three-year period in a warm climate region of central Florida. I. Macrominerals
1991
Espinoza, J.E. | McDowell, L.R. | Wilkinson, N.S. | Conrad, J.H. | Martin, F.G. (University of Florida, Gainesville, FL 32611 (USA))
Department for Environment, Food and Rural Affairs - United Kingdom
An overview of the technical resources project of the dynamics of rural development research program
1991
Lamberte, Mario B. | Relampagos, Julius P.
National Agricultural Library - United States of America
