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?
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