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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]
Wheat is a grass widely cultivated for its seed, a cereal grain that is a staple food around the world. The many species of wheat together make up the genus Triticum (/ ˈ t r ɪ t ɪ k ə m /); [3] the most widely grown is common wheat (T. aestivum).
Viola adunca is a species of violet known by the common names hookedspur violet, early blue violet, sand violet, and western dog violet. It is native to meadows and forests of western North America, Canada, and the northern contiguous United States.
Banksia wood is reddish in color with an attractive grain but it is rarely used as it warps badly on drying. It is occasionally used for ornamental purposes in wood turning and cabinet paneling. It has also been used to make keels for small boats. Historically, the wood of certain species such as B. serrata was used for yokes and boat parts. [38]
Some of the fixed phosphorus is released again over time, sustaining wild plant growth, however, more is needed to sustain intensive cultivation of crops. [113] Fertiliser is often in the form of superphosphate of lime, a mixture of calcium dihydrogen phosphate (Ca(H 2 PO 4 ) 2 ), and calcium sulfate dihydrate (CaSO 4 ·2H 2 O) produced ...
The use of triangular corner flags in English football is not a privilege reserved for those teams that have won an FA Cup in the past, as depicted in a scene in the film Twin Town. The Football Association's rules are silent on the subject, and the decision over what shape flag to use has been up to the individual club's groundskeepers. [245]
Erythronium americanum, the trout lily, yellow trout lily, fawn lily, yellow adder's-tongue, or yellow dogtooth violet, is a species of perennial, colony forming, spring ephemeral flower native to North America and dwelling in woodland habitats.
The language was meant to convey emotion and communicate directly to the recipient or viewer without needing the use of words. Flowers and their meanings [ edit ]