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Aegilops cylindrica, also known as jointed goatgrass, is an annual grass seed native to Southern Europe and Russia that is part of the tribe Triticeae, along with wheat and some other cereals. [2] It is not native to North America, however it has become a serious issue as a weed since it was introduced in the late 19th century. [ 2 ]
Panicum decompositum, known by the common names native millet, native panic, Australian millet, papa grass, and umbrella grass, is a species of perennial grass native to the inland of Australia. It occurs in every mainland state. [1] The seeds can be cultivated to produce flour typically used in Aboriginal bushfood. [2]
Desmostachya bipinnata, commonly known as halfa grass, big cordgrass, and salt reed-grass, [3] is an Old World perennial grass, long known and used in human history. The grass is tall, tufted, leafy, perennial grass, branching from the base, erect from a stout creeping rootstock.
50% or more passes the no. 200 Sieve Silts and Clays. Liquid limit less than 50 Inorganic PI > 7 and plots on or above "A" line CL Lean clay PI < 4 and plots below "A" line ML Silt Organic Liquid limit—oven dried < 0.75 OL Organic clay Liquid limit—not dried OL Organic silt Silts and Clays. Liquid limit 50 or more Inorganic
DLF is the global market leader and provides grass and clover seeds to over 100 countries. [1] DLF operates within four different business areas. DLF is the market leader in forage and turf seed with an estimated share of approximately 50% in Europe and 30% on a global scale. [2]
Since the 1950s and early 1960s, 90% of Kentucky bluegrass seed in the United States has been produced on specialist farms in Idaho, Oregon and Washington. During the 1990s [citation needed] botanists began experimenting with hybrids of Poa pratensis and Texas bluegrass (P. arachnifera), with the goal of creating a drought and heat-resistant ...
Imidacloprid is acutely toxic to honeybees: its LD 50 ranges from 5 to 70 nanograms per bee. [34] Honeybee colonies vary in their ability to metabolize toxins, which explains this wide range. Imidacloprid is more toxic to bees than the organophosphate dimethoate (oral LD 50 152 ng/bee) or the pyrethroid cypermethrin (oral LD 50 160 ng/bee). [34]
The Everglades—the world's largest rain-fed flooded grassland—is rich in 11,000 species of seed-bearing plants, 25 species of orchids, 300 bird species, and 150 fish species. Water-meadows are grasslands that are deliberately flooded for short periods.
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