Marten et al., 1975. Crop Sci., 15 (6): 821-827 Document reference Marten, G. C.; Andersen, R. N., 1975. Forage nutritive value and palatability of 12 common annual weeds. Crop Sci., 15 (6): 821-827Web https://doi.org/10.2135/cropsci1975.0011183X001500060024xCitation key Marten et al., 1975Datasheets Cockspur grass (Echinochloa crus-galli) forage