If high quality hay is your goal, don't delay harvest. However, if you're looking to rebuild your hay supply, letting it grow almost until bloom will provide more feed while using water resources more efficiently.
No-till seeding alfalfa can help preserve crop residue on the soil surface, reduce soil erosion, limit weed seeds on the soil surface, and perhaps most importantly this year, help conserve soil moisture.
Don't limit your planting options later due to your herbicide selection this spring. Consider whether you can control weeds and maintain the flexibility to plant any forage later just by making a small change in the herbicides you use now.
Bitter cold spells and desiccating winds in early winter may have endangered alfalfa stands. Evaluate alfalfa stands soon to determine their viability and the potential need for replanting or rotating to another crop.
What are some of the reasons why you would choose either a per-acre or a per cow-calf pair to determine pasture rental rate? Extension Forage Specialist Bruce Anderson discusses several benefits of each method.