1. Potential of low altitude remote sensing for identifying pest injury, stages of plant growth, and yield of alfalfa;Barnes,1975
2. The economics of producing and feeding quality silage;Benson,1979
3. Estimating alfalfa yield from stem height;Bula,1978
4. Differential reactions of alfalfa varieties and selections to the pea aphid;Carnahan;Crop Science,1963
5. How much is a feed worth?;Craven;University of Minnesota, Agricultural Extension Service, Fact Sheet FM 560,1979