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Growing Bonsai
Growing Bonsai

... require daily watering during their growing season, and, because the plants are rooted in shallow pots, careful pruning. Bonsai are kept outdoors most of the year, but — from time to time — these miniaturized versions of nature are brought indoors for display. Only certain tropical trees, shrubs, an ...
A Comprehensive Guide to orchid Culture
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... As its name suggest tissue culture is done by using plant tissue, mostly the minuscule center of a new growth. A lot of experiments have been made trying to do tissue culture out of leafs, roots,... but so far the most successful method uses tissue from a new growth. The tissue is excised (cut), its ...
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... As you can see by this lengthy description, there has been some confusion in the past as to whether purple loosestrife cultivars can produce seed. Neil Anderson and Peter Ascher at the University of Minnesota determined fertility levels of 18 cultivars of Lythrum salicaria and Lythrum virgatum in a ...
Abstract book PRIR 2011 (online version)
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Introduction to the Multipurpose Plant Cannabis
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Phytochemical analysis and medicinal uses of Hibiscus sabdariffa.
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Poison ivy, poison oak and poison sumac
Poison ivy, poison oak and poison sumac

... Data Sheet 304 Rev. June 2006 not very volatile, these small droplets can be carried easily by smoke. At times dermatitis spreads from one person to another by bodily contact. Scratching further spreads dermatitis to various parts of the body. 9. Dermatitis may appear from one to three days after co ...
landscaping around walnut trees
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... and Other Juglone Producing Plants Walnuts and hickories produce the chemical juglone (5 hydroxy-1,4- napthoquinone), which is exuded from all parts of the plant. The greatest concentration of juglone and hydroxyjuglone (a nontoxic, colorless precursor that is converted into the toxic form juglone b ...
Conference Proceedings
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... flavour components of wine. Acids play a crucial role in the winemaking process, including the organoleptic quality and the physical, biochemical and microbial stability of wine (Volschenk, van Vuuren and Viljoen-Bloom, 2006). The objective of the study was to evaluate of grape yield, content of fer ...
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History of herbalism



The history of herbalism is closely tied with the history of medicine from prehistoric times up until the development of the germ theory of disease in the 19th century. Modern medicine from the 19th century to today has been based on evidence gathered using the scientific method. Evidence-based use of pharmaceutical drugs has largely replaced herbal treatments in modern health care. However, many people continue to employ various forms of traditional or alternative medicine. These systems often have a significant herbal component. The history of herbalism also overlaps with food history, as many of the herbs and spices historically used by humans to season food yield useful medicinal compounds, and use of spices with antimicrobial activity in cooking is part of an ancient response to the threat of food-borne pathogens.
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