The bluegrass seed industry is continually faced with the problem of excessive amounts of weed material in the freshly stripped bluegrass seed which farmers bring to their drying yards for sale. If the weed material content is too great the seedsmen refuse to buy the bluegrass seed offered to them; however, they cannot refuse to buy all strippings which contain weed material or they will not have sufficient seed to meet the demand for processed Kentucky bluegrass seed.
Proceedings of the Iowa Academy of Science
©1956 Iowa Academy of Science, Inc.
Bass, Louis N. and Sylwester, E. P.
"Influence of Time of Application of 2,4-D, 2,4,5-T and DDT on Kentucky Bluegrass Seed Germination and Pasture Weed Populations,"
Proceedings of the Iowa Academy of Science, 63(1), 233-246.
Available at: https://scholarworks.uni.edu/pias/vol63/iss1/17