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Panicum dichotomiflorum, known by the common names fall panicgrass, autumn millet (Britain and Ireland), [1] and fall panicum [2] is a species of Poaceae "true grass". It is native to much of the eastern United States and parts of Canada, and it can be found in the Western United States through California .
Plant domestication is seen as the birth of agriculture. However, it is arguably proceeded by a very long history of gardening wild plants. While the 12,000 year-old date is the commonly accepted timeline describing plant domestication, there is now evidence from the Ohalo II hunter-gatherer site showing earlier signs of disturbing the soil and cultivation of pre-domesticated crop species. [8]
GRASS has been under continuous development since 1982 [3] and has involved a large number of federal US agencies, universities, and private companies. The core components of GRASS and the management of integration of efforts into its releases was originally directed by the U.S. Army - Construction Engineering Research Laboratory (USA-CERL), a branch of the U.S. Army Corps of Engineers, in ...
Often, a mixture of grass or low plant types is used to form a stronger lawn when one type does better in the warmer seasons and the other in the colder ones. This mixing is taken further by a form of grass breeding which produces what are known as cultivars. A cultivar is a cross-breed of two different varieties of grass and aims to combine ...
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Photosynthesis provides the energy required to produce the energy source of plants. Phototropism is the effect of light on plant growth that causes the plant to grow toward or away from the light. [10] Photoperiodism is a plant's response or capacity to respond to photoperiod, a recurring cycle of light and dark periods of constant length. [11]
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