The Park Grass Experiment is a biological study originally set up to test the effect of fertilizers and manures on hay yields. The scientific experiment is located at the Rothamsted Research in the English county of Hertfordshire, and is notable as one of the longest-running experiments of modern science, as it was initiated in 1856 and has been continually monitored ever since.
The experiment was originally designed to answer agricultural questions but has since proved an invaluable resource for studying natural selection and biodiversity. The treatments under study were found to be affecting the botanical make-up of the plots and the ecology of the 28,000-square-metre (6.9-acre) field and it has been studied ever since. In spring, the field is a colourful tapestry of flowers and grasses, some plots still having the wide range of plants that most meadows probably contained hundreds of years ago.
Over its history, Park Grass has:
demonstrated that conventional field trials probably underestimate threats to plant biodiversity from long term changes, such as soil acidification,
shown how plant species richness, biomass and pH are related,
demonstrated that competition between plants can make the effects of climatic variation on communities more extreme,
provided one of the first demonstrations of local evolutionary change under different selection pressures and
endowed us with an archive of soil and hay samples that have been used to track the history of atmospheric pollution, including nuclear fallout.
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ParkGrassExperiment is a biological study originally set up to test the effect of fertilizers and manures on hay yields. The scientific experiment is...
longest-running experiments are the Broadbalk Experiment, planted annually with winter wheat since 1843, and the ParkGrassExperiment, a biological study...
long-term agronomy field experiments at Rothamsted Research Station in England; some of them, such as the ParkGrassExperiment, are still running. In America...
Long Term Ecological Network (LTER). The longest experiment in existence is the ParkGrassExperiment, which was initiated in 1856. Another example is...
accompanied on his expedition by the botanist Aimé Bonpland. In 1856, the ParkGrassExperiment was established at the Rothamsted Experimental Station to test the...
known as Kentucky bluegrass (or blue grass), smooth meadow-grass, or common meadow-grass, is a perennial species of grass native to practically all of Europe...
Grant R. (February 2005). "Determinants of species richness in the ParkGrassExperiment". American Naturalist. 165 (2): 179–92. doi:10.1086/427270. PMID 15729649...
"Reinforcement of reproductive isolation between adjacent populations in the ParkGrassExperiment", Heredity, 95 (3): 198–205, doi:10.1038/sj.hdy.6800710, PMID 15999138...
vimineum, commonly known as Japanese stiltgrass, packing grass, or Nepalese browntop, is an annual grass that is common in a wide variety of habitats and is...
the populations of large mammals in the park, especially those of elephant and Cape buffalo. The species of grass growing on the shoreline is Panicum repens...
novel Jurassic Park, its 1995 sequel The Lost World, and their film adaptations, Jurassic Park (1993) and The Lost World: Jurassic Park (1997). Also included...
Yakutian horses are purely grazing animals – they eat only grass species and visit the park's forests only during the spring flood. In the spring of 2015...
tolerates. The mutualism allows the grass to thrive in soil that is 65 °C in Yellowstone National Park. Experiments have shown that the plant can only...
August 2019, the Twitter account Secretglasto posted "We're not going to Grass up the special guest at the Pilton Party, but we're pretty sure they'll...
more specifically identified as a bushfire (in Australia), desert fire, grass fire, hill fire, peat fire, prairie fire, vegetation fire, or veld fire...
buffalograss or buffalo grass, is a North American prairie grass native to Canada, Mexico, and the United States. It is a short grass found mainly on the...
located entirely within the caldera. Also within the caldera are several grass valleys, or valles, the largest of which is Valle Grande (locally /ˈvaɪ...
was reported as more explosive than dynamite in experiments at the time. Grass Tree Conservation Park "Botanical name: Xanthorrhoea australis". Australian...
(also known as a mower, grass cutter or lawnmower) is a device utilizing one or more revolving blades (or a reel) to cut a grass surface to an even height...
ryegrass, both grass and pasture contained A. millefolium at a density of about 0.3 kg/ha.[citation needed] One factor for its use in grass mixtures was...
ground to support an unbroken herbaceous layer consisting primarily of grasses. According to Britannica, there exists four savanna forms; savanna woodland...
reserve to collect grass. In February 2014, reports emerged that a tigress had killed 7 people near the Jim Corbett National Park. The tigress was later...
natural grass, used in sports arenas, residential lawns and commercial applications that traditionally use grass. It is much more durable than grass and easily...
crosses back to the east and leaves the park to enter the Zoo property. The Park Service began to experiment with trails in August 1963 when mile-long...
landscaping. To secure the sandy foundation, Captain Kindervater selected bermuda grass to be planted on Kill Devil Hill and the surrounding area. He also ordered...
child decides to follow Oggy home, he starts performing very strange experiments on the cockroaches. 51c 25c "Welcome to Paris" "(Ça c'est Paris!)" Olivier...
located only on the North Rim. Both are typified by many grass species. Some of these grasses include blue and black grama, big galleta, Indian ricegrass...
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