Frequency Sampling of Blue Grama Range
D. N. Hyder, Robert E. Bement, Elmer E. Remmenga, C. Terwilliger · Journal of Range Management · 1965
A quadrat 2 inches square satisfactorily sampled frequency distribution of blue grama but a complementary quadrat 16 inches square was needed to sample associated species. A tallying technique was developed using beads and plastic tubes.