TY - BOOK AU - Atkins,Maurice Donald AU - Smith,James E. AU - Cooper,Harold W. TI - Grass seed production and harvest in the Great Plains T2 - United States. Dept. of Agriculture. Farmers' bulletin AV - S21 .A6 no. 2226 PY - 1967///] CY - Washington PB - U.S. Govt. Print. Off. KW - Grasses KW - Seeds KW - Great Plains KW - Harvesting N1 - Supersedes Producing and harvesting grass seed in the Great Plains, by Harold W. Cooper, issued as Farmers' bulletin, no. 2112 ER -