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An arborist practicing tree care: using a chainsaw to fell a eucalyptus tree in a park at Kallista, Victoria. Arboriculture (/ ˈ ɑːr b ər ɪ ˌ k ʌ l tʃ ər, ɑːr ˈ b ɔːr-/) is the cultivation, management, and study of individual trees, shrubs, vines, and other perennial woody plants. The science of arboriculture studies how these ...
EN 1888-1: Child use and care articles - Wheeled child conveyances (Part 1: Pushchairs and prams—Up to 15 kg) EN 1888-2: Child use and care articles - Wheeled child conveyances (Part 2: Pushchairs for children above 15 kg up to 22 kg) EN 1891: Personal protective equipment for the prevention of falls from a height. Low stretch kernmantel ropes
The Xeriscape Demonstration Garden at the headquarters of Denver Water in Denver, Colorado. Xeriscaping is the process of landscaping, or gardening, that reduces or eliminates the need for irrigation. [1] It is promoted in regions that do not have accessible, plentiful, or reliable supplies of fresh water and has gained acceptance in other ...
Botany, also called plant science (or plant sciences ), plant biology or phytology, is the science of plant life and a branch of biology. A botanist, plant scientist or phytologist is a scientist who specialises in this field. The term "botany" comes from the Ancient Greek word βοτάνη ( botanē) meaning "pasture", "herbs" "grass", or ...
Plant health includes the protection of plants, as well as scientific and regulatory frameworks for controlling plant pests or pathogens. [1] Plant health is concerned with: Ecosystem health with a special focus on plants. Tree health. The control of plant pests. The control of plant pathology.
Relative to a susceptible plant, disease resistance is the reduction of pathogen growth on or in the plant (and hence a reduction of disease), while the term disease tolerance describes plants that exhibit little disease damage despite substantial pathogen levels. Disease outcome is determined by the three-way interaction of the pathogen, the ...
Plant propagation is the process by which new plants grow from various sources, including seeds, cuttings, and other plant parts. Plant propagation can refer to both man-made or natural dispersal of seeds. Propagation typically occurs as a step in the overall cycle of plant growth. For seeds, it happens after ripening and dispersal; for ...
The doctrine of signatures, dating from the time of Dioscorides and Galen, states that herbs resembling various parts of the body can be used by herbalists to treat ailments of those body parts. A theological justification, as stated by botanists such as William Coles, was that God would have wanted to show men what plants would be useful for.