Tuesday, January 26, 2010

Dryland Forage Establishment

Establishing dryland pasture grasses is often tricky. It’s really a matter of timing; getting the seed into the ground at the right depth at the right time to take advantage of spring rain or snowmelt. In the mountain west, dryland grasses can be planted either in the fall or spring. If you choose to plant in the fall, ensure that the temperatures have cooled to below 40 degrees F to prevent seed germination too soon. The idea is to get the seed in before the snow falls, and take advantage of moisture from the spring thaw to hydrate the seeds for germination. If you plan to plant in the spring, it’s best to pick a time after spring thaw and before early summer. Summer in the mountain west often finds dry periods in June and July, depending on your area. If grasses are planted too late they may not have enough moisture to get established. For best results coincide your plantings with spring rains.

Dryland grasses can be directly seeded into the soil by seed drilling. This is often the preferred method in the spring as tillage quickly depletes soil moisture and organic matter. Fall tillage and planting would be appropriate if winter snow supplies moisture for soil hydration and seed germination in the spring.

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