What does trefoil symbolize?
A trefoil is commonly thought of as a symbol of three intersecting circles, such as the bio-hazard symbol. The trefoil comes from the Latin trifolium, meaning ‘three-leaved plant’. The symbolism of three fits with Christian imagery associated with the Trinity: the Father, Son and Holy Spirit.
What is trefoil shape?
A trefoil (from the Latin trifolium, “three-leaved plant”) is a graphic form composed of the outline of three overlapping rings, used in architecture and Christian symbolism, among other areas. The term is also applied to other symbols with a threefold shape. A similar shape with four rings is called a quatrefoil.
Do cows eat trefoil?
Together pasture grass and birdsfoot trefoil produce a very high quality, nutritious forage for cattle.
What is birdsfoot trefoil good for?
by adding trefoil to existing mountain meadow vegetation. A benefit over alfalfa is that birdsfoot trefoil does well on lower fertility soils, especially those low in phosphorus. Trefoil also tolerates wetter sites compared to alfalfa and can even withstand short periods of flooding.
Does Trefoil make good hay?
European-type birdsfoot trefoils are better adapted for hay production since they are more erect, establish faster, and regrow faster after harvest. Viking, a European-type trefoil, has traditionally been high-yielding when produced for hay in Pennsylvania and New York.
Is trefoil an annual or perennial?
Birdsfoot trefoil is a perennial legume of short to medium height. Cultivated varieties of this species tend to be significantly taller than wild native forms, having a more lush and erect growth form; tallest when growing amongst, and supported by grasses.
Is trefoil good for hay?
Pure trefoil stands can be grown for hay and used with pastures of other species to provide uniformly high-quality forage. Although pure stands offer high-quality for- age and hay, they tend to thin out more rapidly than mixed stands, increasing weed problems.
Is trefoil good for cattle?
Birdsfoot trefoil. Producing high-quality forage for cattle and sheep has traditionally been difficult on marginal lands in Pennsylvania and New York. Soils with few limitations are generally sown to alfalfa. Birdsfoot trefoil is a perennial that adapts well to production on poorly drained, low-pH soils (Table 1).
How do I get rid of lesser trefoil?
Regular mowing will help prevent and remove the seed heads. As lesser trefoil is an annual weed, reducing the amount of seed heads will prevent in resurfacing in subsequent years. Using a grubber, pocket knife or small hand fork this turf weed can be removed, taking care to remove the whole plant.
How does birdsfoot trefoil spread?
Birdsfoot trefoil produces a long taproot that may extend over three feet, and also forms secondary roots, rhizomes, and modified stems (stolons) near the soil surface. The plant reproduces by seeds, and spreads laterally by stolons and rhizomes.