In addition to fixing nitrogen, a vetch cover crop improves soil health and structure. They are annuals that can easily be killed when time comes to plant the main crop. The root systems of cover crops like vetch condition soils by maintaining pore spaces that allow for air and water movement. This helps improve the tilth or loose, crumbly structure of the soil. In comparison, bare soils often become compacted, pore spaces are compressed, and movement reduced. Vetch grows very quickly and produces a vast amount of plant tissue that contribute to the organic matter or biomass of soils. When vetch dies, the tissues breakdown quickly and thoroughly, releasing nutrients into the soil. In addition to nitrogen, vetch provides more phosphorous than many other cover crops.
Sold in 100 gram, 1kg and 5kg packs.
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