Hairy Vetch Organic Cover Crop Seed
Hairy Vetch Organic Cover Crop Seed
Short-term, legume green manure for nitrogen fixation.
Sow spring to late summer with or without grain, grass, or field peas. When sown in late summer, spring regrowth is vigorous and nitrogen producing for tilling in before planting the spring garden crops. Typical nitrogen produced is 110 lb./acre. This rapid spring growth also makes it a good weed suppressant. Hairy vetch prefers well-drained soils with a pH of 6.0–7.0, and will do poorly in clay or wet fields. It will do well in soils too acidic for many clovers and alfalfas. May have some allelopathic properties, so it is best to allow 2–3 weeks between incorporating and seeding of small-seeded crops. This selected hardy strain is widely adapted and withstands all but severe winters if sown in late summer or fall. Inoculate with Garden Combination Inoculant (#7531) or Pea, Vetch, and Lentil Inoculant (#7534) for best performance. Blue label/Certified seed. USDA Certified Organic.Specs:
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Uses: Prolific, viny growth. Very cold tolerant and widely adapted. Good nitrogen fixation with quick release after termination.
Culture: Can be sown in spring, but most commonly used in fall as an overwintered cover crop with a winter-hardy grain. For best results, plant at least 30–40 days before a killing frost. Drill ½–1" deep into a well-prepared bed or broadcast and lightly rake or disc in. Inoculate with "pea/vetch" type inoculant (#7534) for nitrogen fixation. Hardy in all but severe winters when late summer or fall sown.
Seeding Rate: 1 lb./1,000 sq.ft., 25–40 lb./acre. Lower rates are acceptable when drilling seed. For broadcasting, or if you are seeding late, use higher rates. Good sown with rye or oats; a mix of 20–25 lb./acre of vetch and 70 lb./acre winter rye is suitable under many conditions.
Light Requirements: Full sun to part shade.
Soil Requirements: Well-drained soil. Ideal pH of 6.0–7.0.
Height: 3–4'
Termination: Spring growth is vigorous after a fall seeding. Termination is easiest after flowering but produces hard seed and can become weedy if not terminated before seed set. Mowing or crimping is effective if properly timed, but less effective if not in full flower. Tillage is effective, but difficult if not mowed first, due to vetch's viny nature. Tarping can be effective but is typically best after mowing or crimping.
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