A low-tech, inexpensive subirrigation system for production of broadleaved species in large containers

Schmal, Justin L; Woolery, Phillip O.; Sloan, John P.; Fleege, Clark D.

doi:10.2979/npj.2007.8.3.267

Cited by 2 publications

(2 citation statements)

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“…These trays are manufactured specifically for use in highly automated growing operations (Uva et al, 2000(Uva et al, , 2001. While manufactured ebb-and-flow systems are common in commercial greenhouses, similar systems can be easily assembled from inexpensive materials to suit specific needs (Coggeshall and van Sambeek, 2003;Schmal et al, 2007), and may be designed to operate without a pump (Henley et al, 1994) (Fig. 7).…”

Section: Equipmentmentioning

confidence: 99%

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Subirrigation: Historical Overview, Challenges, and Future Prospects

Ferrarezi

Weaver

Iersel

et al. 2015

hortte

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Subirrigation is a greenhouse irrigation method that relies on capillary action to provide plants with water and nutrients from below their containers. The first documented subirrigation system was described in 1895, and several variations on the basic design were used for research purposes before the modern ebb-and-flow type systems emerged in 1974. Most subirrigation systems apply the fertilizer solution to a waterproof bench or greenhouse section, allowing the substrate to absorb the water through holes in the bottom of the containers. Because there is little or no leaching, subirrigation typically allows for the use of lower fertilizer solution concentrations. Although excess fertilizer salts typically accumulate in the top layer of the substrate, this does not seem to have a negative impact on plants. Subirrigation can conserve nutrients and water, reduce labor costs, and help growers meet environmental regulations. A challenge with subirrigation is the potential spread of pathogens via the fertilizer solution. When this is a concern, effective disinfection methods such as ultraviolet radiation, chlorine, or ozone should be used. Sensor-based irrigation control has recently been applied to subirrigation to further improve nutrient and water use efficiencies. Better control of irrigation may help reduce the spread of pathogens, while at the same time improving crop quality. The primary economic benefit of subirrigation is the reduction in labor costs, which is the greatest expenditure for many growers.

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Section: Equipmentmentioning

confidence: 99%

“…7). For example, Schmal et al (2007) used manual valves to flood children's swimming pools for production of large deciduous plants in containers.…”

Section: Equipmentmentioning

confidence: 99%