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Vegetative and productive responses of tabasco pepper to fertigation and plastic mulching

The use of plastic mulching and high-frequency hydroponic drip irrigation (intensive production methods) watering cycle may increase tabasco pepper crop production per unit area. To test this hypothesis, two randomized block experiments were conducted in a greenhouse, using a 2 × 4 factorial scheme with two contrasting soil types (sandy loam and loamy soil), two mulching conditions of soil cover (SC), and no soil cover (NC) at four frequencies: 1, 3, 12, and 24 irrigations every three days. The growth and yield pepper components were evaluated and the water use efficiency (WUE) was calculated. Mulching did increase fruit dry mass percentage (FDMP), WUE, and potassium use efficiency (KUE) in sandy loam soil. The greater frequency of fertigation did not increase fruit fresh mass (FFM), number of fruits (NF), fruit average mass (FAM), fruit dry mass (FDM), FDMP, or WUE in sandy loam and loamy soils. Tabasco pepper has a permanent shrub growth habit that is somewhat different from horticultural crops, besides it is usually responsive to high-frequency irrigation under vegetative intensive growth.

Read the complete research at

Chaves, Sérgio & Coelho, Rubens & de Oliveira Costa, Jéfferson & Tapparo, Sergio. (2021). Vegetative and productive responses of tabasco pepper to fertigation and plastic mulching. Scientia Agricola. 79. 2022. 10.1590/1678-992X-2021-0084. 

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