Horticulture (HRT) at Northern Virginia Community College


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HRT 100 - Introduction to Horticulture
Introduces commercial horticulture industry with emphasis on career opportunities. Examines equipment, facilities, and physical arrangements of production, wholesale and retail establishments. Surveys individual areas within horticulture industry.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 115 - Plant Propagation
Teaches principles and practices of plant propagation. Examines commercial and home practices. Provides experience in techniques using seed-spores, cuttings, grafting, budding, layering and division.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 117 - Tools and Equipment
Introduces tools and equipment used in commercial horticulture. Emphasizes power-operated equipment including spreaders, sprayers, saws and tractors. Stresses safety, maintenance, minor repair and appropriate tool selection.
Lecture 1 hour. Laboratory 2 hours. Total 3 hours per week.
2 credits
HRT 119 - Irrigation Systems for Turf and Ornamentals
Explains why, when, and how irrigation systems are used by the grounds management industry. Includes component selection, system design, installation, operation, and maintenance.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 120 - History of Garden Design
Studies the development of gardens as they chronicle the development of civilization. Introduces the periods, in both Europe and North America, beginning with settlement, on through industrial development, land and space utilization to current environmental concerns. Explores physical and cultural influences on garden design and utilization.
Lecture 3 hours per week.
3 credits
HRT 121 - Greenhouse Crop Production I
Covers commercial practices related to production of floriculture crops. Considers production requirements, environmental control and management, and cultural techniques.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 125 - Chemicals in Horticulture
Emphasizes basic chemical principles and their application to horticulture. Introduces principles of inorganic and organic chemicals. Studies chemical activities of insecticides, fungicides, herbicides, fertilizers, and growth regulators.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 127 - Horticultural Botany
Studies taxonomy, anatomy, morphology, physiology, and genetics of plants as applied to identification, propagation and culture.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 134 - Four Season Food Production
Familiarizes students with organic small-scale food production through lecture and demonstration. Includes seed saving, cover crops, and gardening planning.
Lecture 3 hours per week.
3 credits
HRT 160 - Applied Mathematics for the Green Industry
Covers the basic math skills needed in the Green Industry to include areas, volumes, calibration calculations, profit and loss statements, and topics specific to turf, landscape, greenhouse, nursery, and interior landscapes.
Lecture 2 hours per week.
2 credits
HRT 195 - Topics In
Provides an opportunity to explore topical areas of interest to or needed by students.
May be used also for special honors courses. May be repeated for credit. Variable hours.
1-5 credits
HRT 197 - Cooperative Education
Supervises in on-the-job training for pay in approved business, industrial and service firms, coordinated by the college's cooperative education office. Is applicable to all occupational- technical curricula at the discretion of the college.
Credit/work ratio not to exceed 1:5 hours. May be repeated for credit. Variable hours.
1-5 credits
HRT 198 - Seminar and Project
Requires completion of a project or research report related to the student's occupational objectives and a study of approaches to the selection and pursuit of career opportunities in the field.
May be repeated for credit. Variable hours.
1-5 credits
HRT 205 - Soils
Teaches theoretical and practical aspects of soils and other growing media. Examines media components, chemical and physical properties, and soil organisms. Discusses management and conservation.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 207 - Plant Pest Management
Teaches principles of plant pest management. Covers morphology and life cycles of insects and other small animal pests and plant pathogens. Lab stresses diagnosis, chemical and non-chemical control of specific pests, and pesticide safety.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 230 - Site Analysis
Examines basic landscape and site planning techniques, environmental considerations and construction principles.
Lecture 1 hour. Laboratory 2 hours. Total 3 hours per week.
2 credits
HRT 231 - Planting Design I
Applies landscape theory and principles of drawing to the planning of residential and small scale commercial landscape designs.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 232 - Planting Design II
Applies landscape theory and principles of drawing to the planning of large scale landscape designs.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 244 - Computer Aided Drafting and Design (CADD) for Landscape Designers
Provides instruction in the use of computer-aided drafting and design software for developing landscape plans and supporting information for drawings such as dimension and area calculations. Prerequisite: HRT 231. Pre or Co-requisite: HRT 232.
Lecture 3 hours per week.
3 credits
HRT 245 - Woody Plants
Studies identification, culture, and uses of woody plants in landscaping. Includes deciduous and evergreen, native and cultivated shrubs, trees and vines. Teaches scientific and common names of plants.
Lecture 1-2 hours. Laboratory 2 hours. Total 3-4 hours per week.
2-3 credits
HRT 246 - Herbaceous Plants
Studies identification, culture and uses of herbaceous plants in landscaping. Includes perennials, biennials, common bulbs and annuals. Teaches scientific and common names of plants.
Lecture 1-2 hours. Laboratory 2 hours. Total 3-4 hours per week.
2-3 credits
HRT 247 - Indoor Plants
Studies identification, culture, and uses of indoor plants in interior landscaping. Includes tropical, subtropical and non-hardy temperate plants. Teaches scientific and common names of plants.
Lecture 1-2 hours. Laboratory 2 hours. Total 3-4 hours per week.
2-3 credits
HRT 250 - Plant Composition
Applies basic knowledge of identification and landscape traits of woody landscape plants from the prerequisite base. Emphasizes plant groupings/combinations to create baselines, focalization, urban/suburban tree use, foundation groupings and screening. Prerequisites: HRT 245 or HRT 201.
Lecture 2 hours per week.
2 credits
HRT 251 - Site Engineering for Landscape Design
Applies skill sets and knowledge from planting design to the principles of engineering relating to the site. Includes developing topographical drawings, turning radius for vehicles, structural details and other structural requirements with the design. Pre- or co-requisite: HRT 231, Planting Design I. It is also recommended but not required that the student take HRT 230, Site Analysis, prior to taking this course.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week. (Rev. 5/1/08)
3 credits
HRT 252 - Landscape Construction Drawings
Applies skill sets and knowledge from the prerequisite foundation classes in Planting Design and Site Engineering to prepare a completed set of Construction Drawings and Specification. Combines basic drawing skills with the site analysis and engineering to develop drawings and specifications that can be reasonably implemented by contractors. Prerequisite(s): HRT 231 and 251. Pre- or co-requisite: HRT 232.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 259 - Arboriculture
Studies the techniques of tree care. Covers surgery, pruning, insect and disease recognition and control, fertilization, cabling, and lightning rod installation.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 260 - Introduction to Floral Design
Teaches skills required for the composition of basic table arrangements. Includes the history of design styles, identification of flowers and green, identification and use of equipment, and conditioning and handling of flowers.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 266 - Advanced Floral Design
Teaches skills required for composition of traditional floral designs and contemporary floral designs. Includes use of exotic florals to create arrangement styles such as Japanese, European and Williamsburg.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 268 - Advanced Floral Design Applications
Teaches skills required for the composition of large floral arrangements. Includes wedding, funeral and special occasion designs for the home as well as public areas. Includes use of dried and silk flowers for special occasions.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 269 - Professional Turf Care
Covers turf grass identification selection, culture, propagation, and pest control. Surveys commercial turf care operations and use of common equipment.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 275 - Landscape Construction and Maintenance
Examines practical applications of commercial landscape construction techniques, and materials used. Covers construction, planting, and maintenance.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
HRT 290 - Coordinated Internship
Supervises on-the-job training in selected business, industrial or service firms coordinated by the college.
Credit/practice ratio not to exceed 1:5 hours. May be repeated for credit. Variable hours.
1-5 credits
HRT 293 - Studies In
Covers new content not covered in existing courses in the discipline. Allows instructor to explore content and instructional methods to assess the course's viability as a permanent offering.
Variable hours per week.
1-5 credits
HRT 297 - Cooperative Education
Supervises in on-the-job training for pay in approved business, industrial and service firms, coordinated by the college's cooperative education office. Is applicable to all occupational- technical curricula at the discretion of the college.
Credit/work ratio not to exceed 1:5 hours. May be repeated for credit. Variable hours.
1-6 credits
HRT 298 - Seminar and Project
Requires completion of a project or research report related to the student's occupational objectives and a study of approaches to the selection and pursuit of career opportunities in the field.
May be repeated for credit. Variable hours.
1-5 credits
HRT 299 - Supervised Study
Assigns problems for independent study incorporating previous instruction and supervised by the instructor.
May be repeated for credit. Variable hours.
1-5 credits