- 업종: Government; Labor
- Number of terms: 77176
- Number of blossaries: 0
- Company Profile:
A professional who studies soil characteristics and maps soil types, and investigates responses of soils to known management practices to determine use capabilities of soils and effects of alternative practices on soil productivity. Responsibilities include:
* Classifies soils according to standard types.
* Conducts experiments on farms or experimental stations to determine best soil types for different plants.
* Performs chemical analysis on micro-organism content of soil to determine microbial reactions and chemical and mineralogical relationship to plant growth.
* Investigates responses of specific soil types to tillage, fertilization, nutrient transformations, crop rotation, environmental consequences, water, gas or heat flow, industrial waste control and other soil management practices.
* Advises interested persons on rural or urban land use.
* May specialize in one or more types of activities relative to soil management and productivity and be designated Soil Fertility Expert.
Industry:Professional careers
A professional who conducts research to determine composition, properties, behavior, utilization, development, treatments, and processing methods of wood and wood products. Responsibilities include:
* Analyzes physical, chemical, and biological properties of wood.
* Studies methods of curing wood to determine best and most economical procedure.
* Develops and improves methods of seasoning, preservation, and treating wood with substances to increase resistance to wear, fire, fungi, insects, and marine borers.
* Conducts tests to determine ability of wood adhesives to withstand water, oil penetration, temperature extremes, and stability, strength, hardness and crystallinity of wood under variety of conditions.
* Evaluates and improves effectiveness of industrial equipment and production processes.
* Investigates processes for converting wood into commodities, such as alcohol, veneer, plywood, wood plastics, and other uses.
* Determines best type of wood for specific application, and investigates methods of turning waste wood materials into useful products.
* May specialize in research, quality control, marketing and sales, materials engineering, management or administration, manufacturing, production, or process development.
Industry:Professional careers
A professional who manages and develops forest lands and resources for economic and recreational purposes. Responsibilities include:
* Plans and directs forestation and reforestation projects.
* Maps forest areas, estimates standing timber and future growth, and manages timber sales.
* Plans cutting programs to assure continuous production of timber or to assist timber companies achieve production goals.
* Determines methods of cutting and removing timber with minimum waste and environmental damage and suggests methods of processing wood for various uses.
* Directs suppression of forest fires and conducts fire-prevention programs.
* Plans and directs construction and maintenance of recreation facilities, fire towers, trails, roads, and fire breaks.
* Assists in planning and implementing projects for control of floods, soil erosion, tree diseases, and insect pests in forests (entomologist ; plant pathologist ; soil conservationist ).
* Advises landowners on forestry management techniques and conducts public educational programs on forest care and conservation.
* May participate in environmental studies and prepare environmental reports.
* May supervise activities of other forestry workers (supervisor master title).
* May patrol forests, enforce laws, and fight forest fires.
* May administer budgets.
* May conduct research to improve knowledge of forest management.
* May specialize in one aspect of forest management.
* May be designated Forestry Supervisor; Woods Manager.
Industry:Professional careers
A professional who provides technical assistance to land users in planning and applying soil and water conservation practices, utilizing basic engineering and surveying tools, instruments, and techniques and knowledge of agricultural and related sciences, such as agronomy, soil conservation, and hydrology. Responsibilities include:
* Analyzes conservation problems of land and discusses alternative solutions to problems with land users.
* Advises land users in developing plans for conservation practices, such as conservation cropping systems, woodlands management, pasture planning, and engineering systems, based on cost estimates of different practices, needs of land users, maintenance requirements, and life expectancy of practices.
* Computes design specification for particular practices to be installed, using survey and field information technical guides, engineering field manuals, and calculator.
* Submits copy of engineering design specifications to land users for implementation by land user or contractor.
* Surveys property to mark locations and measurements, using surveying instruments.
* Monitors projects during and after construction to ensure projects conform to design specifications.
* Periodically revisits land users to view implemented land use practices and plans.
Industry:Professional careers
A professional who measures purity and potency of animal semen to develop improved methods of processing and preserving for artificial insemination. Responsibilities include:
* Observes sample of freshly collected semen under microscope to determine mobility of sperm cells.
* Measures density, using densiometer.
* Adds measured amounts of extender, sodium citrate, and antibiotics to dilute and preserve sample.
* Transfers to refrigeration unit.
* Records data for use in compiling history of sire.
* Cleans and sterilizes laboratory equipment.
* Performs experimental tests, as directed, for purposes such as extension of cell survival rate and development of improved preservation processes.
* Cultivates, isolates, and identifies pathogenic bacteria and other micro-organisms in semen.
Industry:Professional careers
A professional who tests seed for germination, purity, and weed content. Responsibilities include:
* Plants definite number of seeds in box of pure soil and counts number of plants that grow to calculate percentage of germination.
* Inspects seed with magnifying glass or microscope for chaff, bits of wood, and weed content (any seed other than the one under consideration).
Industry:Professional careers
A professional who tests seed for germination, purity, and weed content. Responsibilities include:
* Plants definite number of seeds in box of pure soil and counts number of plants that grow to calculate percentage of germination.
* Inspects seed with magnifying glass or microscope for chaff, bits of wood, and weed content (any seed other than the one under consideration).
Industry:Professional careers
A professional who studies form and structure of animal bodies. Responsibilities include:
* Examines large organs and organ systems of body by systematic observation and dissection, and examines minute structure of organs, tissues, and cells, using microscope.
* Compares structure of one species with that of another.
* Determines ability of animal bodies to regenerate destroyed or damaged parts, and investigates possibility of transplanting organs and skin segments from one living body to another.
* Conducts research into basic laws of biological science to determine application to human medicine.
Industry:Professional careers
A professional who develops systems of breeding desirable characteristics, such as improvement in strength, maturity rate, disease resistance, and meat quality, into economically important animals. Responsibilities include:
* Determines generic composition of animal populations, and heritability of traits, utilizing principles of genetics.
* Crossbreeds animals within existing strains, or crosses strains to obtain new combinations of desirable characteristics.
* Selects progeny having desired strains of both parents, and continues process until acceptable result is obtained.
Industry:Professional careers
A professional who studies bee culture and breeding. Responsibilities include:
* Conducts experiments regarding causes and controls of bee diseases and factors affecting yields of nectar and pollen on various plants visited by bees.
* Conducts research into various phases of pollination.
* Improves bee strains, utilizing selective breeding by artificial insemination.
Industry:Professional careers
