Water productivity in pineapple (Ananas comosus) cultivation using plastic film to reduce evaporation and percolation

Eugênio Ferreira Coelho, Lenilson Wisner Ferreira Lima, Blair Stringam, Aristoteles Pires de Matos, Dionei Lima Santos, Domingo Haroldo Reinhardt, Lucas de Melo Velame, Carlos Eduardo Magalhães dos Santos and Fernando França da Cunha

Agricultural Water Management, 2024, vol. 296, issue C

Abstract: Irrigated agriculture needs significant amounts of water for increasing irrigated areas to meet the increase food demand. New alternatives with high water use efficiency are needed to increase crop productivity. This work evaluates the use of plastic film mulch either as groundcover or as a percolation barrier to increase yields and water use efficiency of pineapple (Ananas comosus L.). An experiment was carried out with pineapple on a loamy sand-soil. The treatments were: (i) soil tillage with plastic film as groundcover combined with plastic film as a percolation barrier installed at 0.40 m below the soil surface; (ii) soil tillage with no groundcover combined with a percolation barrier; (iii) soil tillage with plastic film as groundcover only; (iv) soil tillage without groundcover and percolation barrier. The use of plastic mulch maintained the levels of soil water availability at least 80% during the crop cycle, while without it soil water values ranged from 15% to 70%. Groundcover with plastic mulch contributed significantly to decrease evapotranspiration and the medium crop coefficient. The plastic groundcover combined with or without the plastic percolation barrier yielded the better results of productivity, irrigation water productivity, and water footprint. The mean irrigation water productivity and water footprint were 667.12 kg mm−1 ha−1 and 109.0 L kg−1, respectively, for the use of a plastic groundcover combined with a plastic percolation barrier. The percolation barrier was more effective for saving water than for increasing yield. The use of percolation barrier with plastic contributed for saving 92–103 L kg−1 ha−1 when combined with or without ground cover.

Keywords: Ananas comosus; Irrigation; Water consumption; Plastic mulching (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:agiwat:v:296:y:2024:i:c:s0378377424001203

DOI: 10.1016/j.agwat.2024.108785

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