A Macrotunnel is a simple structure that allows coverage of a large area to grow crops in a controlled and protected environment. It is smaller than a greenhouse and is used when excessive control of the conditions inside it is not required.
A Macrotunnel is a simple structure that allows coverage of a large area to grow crops in a controlled and protected environment. A macrotunnel has a medium height and can cover several rows of plants. It is smaller than a greenhouse and is used when excessive control of the conditions inside is not required. The use of macrotunnels is becoming important for the production of fresh-market produce since it minimizes the risk of frost and results in increased early production, total productivity and fruit quality. However, its high cost limits its use among low-income farmers.
Traditional greenhouses and other companies that build macrotunnels such as Regasa
Goal 2: Aims to achieve food security and promote sustainable agriculture by increasing crop yields and reducing food losses.
Trained individuals in agriculture, communities and businesses.
UVG has built 13 macrotunnels for research purposes in Guatemalan rural areas as part of the technology transfer program. The installed units are used as a capacity center for local agricultural producers.
(per square meter)
- The structure can be made out of PVC, galvanized steel or wood.
- The cover can be Agryl (agrotextile material), anti-insect mesh or a combination of low density polyethylene and anti-insect mesh.
- The size of the macrotunnel may vary according to the farmer’s need, UVG’s macrotunnels are 3.2 m wide, 2 m in height and 30 m long with 3-4 rows of plants.
- First the land is prepared and flattened, then PVC or steel arches are installed.
- The rows where the plants are going to be placed are covered in plastic and the external covering is placed on top of the PVC or metal structure.
Locally available components at hardware stores or agricultural centers.
The covering can be changed cyclically, if it is plastic it can be recycled.
Create a physical barrier for climatic events, viruses and pests. Increase productivity.
No safety recommendations found.
Porres V., Cifuentes R. and de León E. 2014 Evaluación de tres tipos de cubierta para macrotúneles sobre el microclima y la productividad del chile pimiento (Capsicum annuum) en Escuintla y Sololá. Revista de la Universidad del Valle de Guatemala. 27(9): 82-92
De León C. 2013. Análisis Económico de Infraestructuras: Sistema de Riego, Macrotuneles, Invernaderos. Guatemala: Universidad del Valle de Guatemala.
Porres V., de León E. and Cifuentes R. 2013. Producción de Chile Pimiento en Macrotúneles con Pequeños Productores.. Guatemala: Universidad del Valle de Guatemala.
Stein M. 2013. Proyecto Para El Desarrollo Agrícola. Guatemala: Universidad del Valle de Guatemala.
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