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Characterization of a “New Greenhouse Model”: with and without insect proof-screen

Luigi Santonicola, Antonietta Napolitano, Francesco Castelluccio, Barbara Greco, Michele De Maio, Mario Farina
  • Luigi Santonicola http://orcid.org/0000-0003-2033-6006
    Research Centre for Horticulture and Floriculture CREA-OF, Council for Agricultural Research and analysis of the agrarian economy, Pontecagnano (SA), Italy
  • Antonietta Napolitano
    Research Centre for Horticulture and Floriculture CREA-OF, Council for Agricultural Research and analysis of the agrarian economy, Pontecagnano (SA), Italy | antonietta.napolitano@crea.gov.it
  • Francesco Castelluccio
    Research Centre for Horticulture and Floriculture CREA-OF, Council for Agricultural Research and analysis of the agrarian economy, Pontecagnano (SA), Italy
  • Barbara Greco
    Research Centre for Horticulture and Floriculture CREA-OF, Council for Agricultural Research and analysis of the agrarian economy, Pontecagnano (SA), Italy
  • Michele De Maio
    Research Centre for Horticulture and Floriculture CREA-OF, Council for Agricultural Research and analysis of the agrarian economy, Pontecagnano (SA), Italy
  • Mario Farina
    Research Centre for Horticulture and Floriculture CREA-OF, Council for Agricultural Research and analysis of the agrarian economy, Pontecagnano (SA), Italy

Abstract

In the " Natural ventilation greenhouse", patented new greenhouse model which maximizes the natural ventilation and allows stable installation of the anti-insect proof-screen. The effects of the presence or absence of the anti-insect proof-screen are compared on different parameters of the soil (moisture, pH, EC (Electrical Conductivity), nitrates), of greenhouse environment (irradiance, Hargreaves-Samani ETo (reference crop evapotranspiration)) and of plant (fresh matter, dry matter, Leaf Area Index (LAI)). The presence of the insect proofscreen reduces the water needs of tomato, in fact soil moisture, water delivered and ETo are significantly lower compared to the greenhouse without an insect proof-screen, also it reduces the EC and nitrates in the soil. It improves LAI, doubles the amount of fresh matter of plant parts and triples the fresh matter of the productive part with respect to the greenhouse without anti-insect proof-screen.

Keywords

natural ventilation greenhouse, combined roof and side openings, insect-proof screen, nitrates, radiation, reference crop evapotranspiration

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Submitted: 2017-01-31 12:23:35
Published: 2017-08-08 15:46:58
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