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In the 1960s, the United States government became concerned with cannabis use by US troops in Vietnam. [4] Though alcohol was the drug most commonly used by American troops in the Vietnam War, cannabis was the second-most common. Initially rates of usage among deployed soldiers were comparable to those of their stateside peers, with 29% of ...
American soldiers changed the word for marijuana depending on where they were within Vietnam. The names they used were "Pleiku Pink," "Bleu de Hue," and "Cambodian Red." [2] During the conflict in Vietnam, there were three primary substances that soldiers consumed: alcohol, marijuana, and heroin. [4] Each substance had its usage peak at ...
Some weed control is preventative, implementing protocols to stop weeds from invading new areas. Cultural weed control involves shaping the managed environment to make it less favorable for weeds. [56] [57] Once weeds are present in an area, a wide variety of means to destroy the weeds and their seeds can be employed. Since weeds are highly ...
Cannabis also has a long history of being used for medicinal purposes, and as a recreational drug known by several slang terms, such as marijuana, pot or weed. Various cannabis strains have been bred, often selectively to produce high or low levels of tetrahydrocannabinol (THC), a cannabinoid and the plant's principal psychoactive constituent.
This category includes the native flora of Vietnam.Taxa of the lowest rank are always included. Higher taxa are included only if endemic. In accordance with the World Geographical Scheme for Recording Plant Distributions (WGSRPD), this category is included within the larger region of Indo-China in Category:Flora of Indo-China
The word "flora" comes from the Latin name of Flora, the goddess of plants, flowers, and fertility in Roman mythology. [5] [6] The technical term "flora" is then derived from a metonymy of this goddess at the end of the sixteenth century. It was first used in poetry to denote the natural vegetation of an area, but soon also assumed the meaning ...
Typha angustifolia is a perennial herbaceous plant in the genus Typha, native throughout most of Eurasia and locally in northwest Africa; it also occurs widely in North America, where its native status is disputed.
Emilia sonchifolia, also known as lilac tasselflower or cupid's shaving brush, is a tropical flowering species of tasselflower in the sunflower family. [3] It is widespread in tropical regions around the world, apparently native to Asia (China, India, Southeast Asia, etc.) and naturalized in Africa, Australia, the Americas, and various oceanic islands.