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Perennial ryegrass staggers is poisoning by peramine, lolitrem B, and other toxins that are contained in perennial ryegrass (Lolium perenne), and produced by the endophyte fungus Epichloë festucae which can be present in all parts of the grass plant, but tends to be concentrated in the lower part of the leaf sheaths, the flower stalks and seeds.
In northwestern Nevada from 1984–1997 cheatgrass density was altered by changing the seeding rates of a variety of native and non-native perennial grass and forb seed mixes. Cheatgrass densities were reduced to 2.6 plants per sq. m with seeding rates of 22.5 – 25 PLS per sq ft. Cheatgrass densities of 4.07 and 3.58 plants per sq. m were ...
Lolium perenne, common name perennial ryegrass, [1] English ryegrass, winter ryegrass, or ray grass, is a grass from the family Poaceae. It is native to Europe, Asia and northern Africa, but is widely cultivated and naturalised around the world.
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Livestock grazing comparison is a method of comparing the numbers and density of livestock grazing in agriculture. Various units of measurement are used, usually based on the grazing equivalent of one adult cow, or in some areas on that of one sheep. Many different schemes exist, giving various values to the grazing effect of different types of ...
With so much conflict surrounding the Grazing Service, the Secretary of the Interior combined the Grazing Service and the General Land Office to form the Bureau of Land Management (BLM) in 1946. The BLM was given the responsibilities of the former U.S. Grazing Service and General Land Office. The BLM retained control of its laws until 1976.
The N.C. Wildlife Resources Commission passed a slate of new rule changes for this year. A black bear hunting expansion was among the list.
By the middle of the 20th century, these nonnative deer were regarded as pests because of their impact on the native forests. From the 1950s, deer cullers were employed by the government to keep the numbers in check. The export of venison from wild deer started in the 1960s, turning a pest into an export earner. Industry pioneers saw an ...