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Increasing the effective use of water in green asparagus through deficit irrigation strategies

Pasquale Campi, Marcello Mastrorilli, Anna Maria Stellacci, Francesca Modugno and Angelo Domenico Palumbo

Agricultural Water Management, 2019, vol. 217, issue C, 119-130

Abstract: A six-year study was carried out to assess the effects of deficit (DI) and regulated deficit irrigation (RDI) strategies on yield and water use efficiency of two hybrids of asparagus (Asparagus officinalis L., hybrids Grande and Italo), in a typical semi-arid Mediterranean environment of Southern Italy. The experimental setup consisted of full irrigation (IRR; restoration of 100% of the crop evapotranspiration ETc), DI (restoration of 50% of ETc from the first fern flush until the end of the growing season) and two RDI (1: no irrigation supply from the first fern flush, crop development stage more sensitive to water stress, until end of the growing season, RDI1; 2: no irrigation supply from the second fern flush until the end of the growing season, RDI2) treatments.

Keywords: Water balance; Crop evapotranspiration; Crop management; Linear mixed effects models (LMM); Residual autocorrelation (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:agiwat:v:217:y:2019:i:c:p:119-130

DOI: 10.1016/j.agwat.2019.02.039

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