Sweet clover
Coe, H.S.
Sweet clover Harvesting and thrashing the seed crop - Washington 1917 - 1-23 p. - Sweet clover, Harvesting, Seed United States Department of Agriculture. Farmers Bulletin No. 836 .
Sweet clover Harvesting and thrashing the seed crop - Washington 1917 - 1-23 p. - Sweet clover, Harvesting, Seed United States Department of Agriculture. Farmers Bulletin No. 836 .