- 行业: Government
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Alteration of the environment, as through the introduction of hazardous or detrimental substances, heat, or noise whose nature, location, or quantity produces adverse health or environmental effects. Under Section 502 of the Clean Water Act, for example, pollution means the man-made or man-induced alteration of the physical, biological, chemical, and radiological integrity of water.
Industry:Agriculture
The constitutional power which authorized governments to protect the health, safety and welfare of the public. Adoption of environmental protections laws are a use of the police power.
Industry:Agriculture
from the Clean Water Act,a source of pollution from "any discernable, confined and discrete conveyance, including but not limited to any pipe, ditch, channel, tunnel, conduit, well, discrete fissure, container, rolling stock, concentrated animal feeding operation, or vessel or other floating craft, from which pollutants are or may be discharged." Irrigation return flows and agricultural storm water discharges are specifically exempted from the definition. Point sources of pollution are amenable to regulation through specific effluent limitations which require monitoring and treatment of the waste stream. The wastes coming out of the end of a pipe at a factory are an example of point source.
Industry:Agriculture
A measure of price change equal to 1/100 of one cent in most futures contracts traded in decimal units. In grains, it is one cent; in T-bonds, it is one percent of par.
Industry:Agriculture
P.L. 91-577 (December 24, 1970) was enacted to provide patent-like protection for new non-hybrid seed varieties. The ultimate goal was to create an incentive for public and private research on new commercial plant varieties by making it possible for scientists to benefit financially from developing them. The Plant Variety Protection Act (PVPA) Amendments of 1994 ( P.L. 103-349, October 6, 1994) made the law consistent with the International Convention for the Protection of New Varieties of Plants (UPOV) of March 19, 1991, to which the United States is a signatory. In February 1999, the 1994 PVPA amendments formally were accepted by UPOV as being in conformance with the International Convention. USDA rather than the Patent and Trademark Office administers the law.
Industry:Agriculture
A chemical that affects the physiological behavior of plants, for example through accelerating or retarding the rate of growth or maturation of produce. Typically the definition of plant regulator excludes nutrients. Plant regulators must be registered as pesticides under the Federal Insecticide, Fungicide, and Rodenticide Act.
Industry:Agriculture
As proposed by the Environmental Protection Agency (November 23, 1994), plant-pesticides are all substances responsible for pest resistance in plants, as well as the genes needed for production of these substances. EPA has further proposed that plant-pesticide traits introduced into plants using recombinant DNA techniques should be registered under legal requirements of FIFRA and FFDCA. Exempt from tolerance requirements would be those defense substances and genes evolved naturally or transferred to the plant by traditional plant breeding methods.
Industry:Agriculture
A technique for insuring disease (and pest) free plants by isolating them during a period while performing tests for latent diseases. Often used when importing new cultivars.
Industry:Agriculture
Originally enacted in 1912, this Act gives the Animal and Plant Health Inspection Service authority to regulate the importation and interstate movement of nursery stock and other plants that may carry pests and diseases that are harmful to agriculture. This authority is particularly important to the agency’s ability to prevent or limit the spread of harmful invasive species within or to a state or region of the United States.
Industry:Agriculture
The USDA has divided North America into 11 hardiness zones based on average annual minimum temperatures. Horticulturalists and nurseries rate plants by their hardiness; the hardiness zone maps can then be used to determine the likely survivability of particular plant species and varieties according to one’s local growing area.
Industry:Agriculture
