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This project is the first step to easy community greenhouse development - the goal of the affordable greenhouse is to:
- Improve greenhose design and awareness for residential application.
- Demonstrate the feasibility (i.e costs) of a greenhouse in the winter months and determine the best time to install such a system for optimal crop yield.
Due to the materials selected and the cold Canadian Spring, it is not effective to construct until late April. But with better material selection and innovative greenhouse designs, it is hoped that constructing miniature greenhouses will become common practice.
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It is a form of local support for agriculture. Subscribers pre-pay a farmer to grow the desired produce. Sometimes the farmer will select what is to be grown, sometimes the buyer selects what they want to buy, more often it is a cooperative arrangement between the two parties.
For farmers, CSA offers a fair, steady source of income and a chance to talk directly with their customers. Many CSA farmers encourage members and their families to get involved, to work alongside "their" farmer to learn more about the food is grown. This develops understanding of the challenges facing family farmers in the community and helps create real partners in the local food system.
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Local food systems are an alternative to the global corporate models where producers and consumers are separated through a chain of processors/manufacturers, shippers and retailers. With an increasing scale of industrial food systems the control of quality is increasingly decided by the middlemen while a local food system redevelops these relationships and encourage a return of quality control to the consumer and the producer respectively. These quality characteristics are not only in the product but in the method of producing.
A locavore is someone who eats food grown or produced locally or within a certain radius such as 50, 100, 150 or 250 miles. The locavore movement encourages consumers to buy from farmers’ markets or even to produce their own food, with the argument that fresh, local products are more nutritious and taste better. Locally grown food is an environmentally friendly means of obtaining food, since supermarkets that import their food use more fossil fuels and non-renewable resources.
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"Organic agriculture is a production system that sustains the health of soils, ecosystems and people. It relies on ecological processes, biodiversity and cycles adapted to local conditions, rather than the use of inputs with adverse effects. Organic agriculture combines tradition, innovation and science to benefit the shared environment and promote fair relationships and a good quality of life for all involved..." -- International Federation of Organic Agriculture Movements
- Organic standards
- The land must be free of prohibited substances for 3 years prior to organic farming.
- Seeds should be organic but right now the use of some non-organic seeds is permitted.
- The use of genetic engineering, sewage sludge, or ionizing radiation is prohibited.
- Weeds are controlled with management practices and lots of work.
- Garden pests are handled with integrated pest management practices which include biological, physical, and mechanical controls.
- Some organic pesticides are permitted.
- To maintain soil fertility organic farmers use methods such as: crop rotations, cover crops, animal manures, compost, and diversity in crops.
- Some organic fertilizers are permitted.
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The method of building compost can be different depending on the amount of compost required, materials available, type of compost and particularly the climate of the region.
Pit compost: Pit compost is ideal for areas with medium to low rainfall. The depth of the pit will depend upon the amount of rainfall. The less the rainfall the deeper the pit should be to prevent the rapid loss of water, which is essential in the natural production of compost. In some dry regions it has been known for pits to be dug as deep as 3ft. For example, this type of compost is used in the dryer and warmer parts of central and northern Uganda. (more types follow)
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This project is the first step to easy community greenhouse development - the goal of the affordable greenhouse is to:
- Improve greenhose design and awareness for residential application.
- Demonstrate the feasibility (i.e costs) of a greenhouse in the winter months and determine the best time to install such a system for optimal crop yield.
Due to the materials selected and the cold Canadian Spring, it is not effective to construct until late April. But with better material selection and innovative greenhouse designs, it is hoped that constructing miniature greenhouses will become common practice.
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To build a straw bale greenhouse where Kiva can grow chili peppers, tomatoes, and lots of other yummy warm weather plants. The reason we decided to build with straw bale was to gain experience with this material and the great insulative value of it. Scott and I decided to have two of the walls straw bale and the other two wood and glass. Where we live no permits are required for a 10' x 12' greenhouse, so we decided these would be the inside dimensions. To receive optimal year-round sun in our area the glass on the south facing wall is at a 40 degree angle. At the building site there is plenty of morning sun and not much evening sun so we opted to have our east side be glass and our west side be straw bale.
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We began with a very small flock of 175 birds and decided to try two different models of raising them on pasture to see which model worked the best for our situation. We compared the two models by looking at efficiency, loss to predators, land impact cost, fossil fuel use and mobility which strongly effects efficiency, land impact and fossil fuel use. After working with both models for a couple of months we came to the conclusion that the Chicken Tractor (CT) model is most appropriate for raising meat chickens and the Hoop House (HH) model is more appropriate for raising laying hens. The CT is better for meat production because it is more cost effective and mobile and there is less predation. The CT is also important for pasturing laying hens for their first few months since there are less predator risks. The Hoop House is better for egg production because it accommodates nest boxes and roosts.
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The chickens live in the chicken tractor and scratch, eat, and defecate on the ground surface. This process turns over the shallow surface, hence the 'tractor' reference. As the surface is sufficiently worked by the chickens, the tractor is moved to another space, repeating the process. The consumption of plants, seeds, and insects reduces plant growth and insect population, and the defecation nourishes the soil. Conventional chicken houses produce a volume of chicken waste with very high Nitrate concentration, which will burn many plants if used directly and therefore must be composted. The chicken tractor eliminates these handling and processing needs.
A chicken tractor will work on any flat surface with a substrate that supports plants and insects. Its main benefits are that it is a means of having free-range chickens and its attended benefits, but with better control/protection of the chickens. Moving it around permits more localized vegetation management, and keeps chickens out of gardens.
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