Western Sustainable Agriculture Research & Education
(SARE) Farm Internship Curriculum and Handbook
Tom and Maud Powell and Michael Moss, Sustainable Farmers, Jackson County, OR.
Technical advisor: Tim Franklin, Jacksonville, OR.
Curriculum advisor: Peter O'Connell, Jacksonville, OR.
Web advisor: National Center for Appropriate Technology, Butte, MT.
The learner will...
- Understand the purpose, types, and needs of various greenhouse systems.
- Examine various pest and disease control issues related to greenhouse use.
- Propagation of plants to be transplanted
- Raising crop from seed to harvest
- Fully enclosed, automated air, heat, and water systems
- Cold frames
- Heating/cooling - provides optimal temp range for germination and growth
- Active vs. passive heat
- Heating to aid germination
- Temperature ranges - cool crops 50 - 70, hot crops 60 - 85
- Shade cloth
- Air circulation - strengthens plants, reduces chance for fungi and disease
- Automated vents and fans
- Opening doors or roll-up side
- Light - in winter, supplemental light could be used to speed growth
- Growing infrastructure
- Beds - in ground or raised - mostly used for crops to be harvested in greenhouse or perennials
- Flats and pots - used for crops to be transplanted
- Water - ranges from hose to fully automated sprinkler/mister systems
Pests and Disease Control
- Common greenhouse pests
- White Flies
- Cabbage Loopers
- Flea Beetles
- Healthy plants are most resistant when you provide the following
- Sanitary conditions - wash flats, pots, tools, do annual cleanout
- Regular monitoring - remove diseased plants immediately
- Mechanical monitoring - pick or spray off insects
- Biological monitoring - use of predatory insects
- Healthy seed source - seeds can carry disease
- Cell/Plug trays
- Traditional wooden flats/Soil Blocks
- Discuss various types of greenhouse construction.
- What are the basic needs to be provided for in any greenhouse?
This page was last updated on: May 16, 2012