Pickett et al., 1965. Historical Documents of the Purdue Cooperative Extension Service. Paper 6 Document reference Pickett, R. A. ; Foster, J. R. ; Hollandbeck, R., 1965. Forage for sows. Historical Documents of the Purdue Cooperative Extension Service. Paper 6Web http://docs.lib.purdue.edu/anrhist/6/Citation key Pickett et al., 1965Datasheets Rye forageWheat forageMaize silage
