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Growth and Production of Zea mays Fertigated with Biofertilizer and Water Blade in Semiarid Regions, Brazil

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Abstract

In semiarid areas producing corn in the State of Paraiba (Brazil), despite the social and economic importance of this culture associated with some types of stress mainly in semiarid regions, as well as the soils of these regions, which in many cases have a low organic matter content, generally < 1.5%, limiting the viability of the crop. The correct management of organic fertilization via fertigation is a possibility to minimize water losses by evaporation. The objective was to evaluate the vegetative growth and productive parameters of corn (Poaceae) fertigated with bovine biofertilizer under irrigation levels. The experiment was carried out under field conditions, in the locality of the agroecology sector (UEPB, Catole do Rocha, Paraiba, Brazil). The treatments were distributed in blocks at random with four replications, in a 3 × 5 split plot scheme, represented by three irrigation depths (60, 90, and 120% of ETc—crop’s evapotranspiration) that when applied daily were considered the main plots and the subplots represented by the doses of biofertilizer (0, 20, 40, 60, and 80 mL plant−1) applied biweekly via fertigation, totaling to 60 experimental plants. Plants on water stress conditions inhibit their growth and production, but when associated with biofertilizer, they result in plants with greater productive potential in semiarid conditions. The blade of 120% of the ETc provided greater growth and production of corn compared with the layers of 60 and 90% of the ETc. The 50 ml plant−1 biofertilizer dose provided corn growth and production compatible with conventional cultivation.

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Correspondence to Francisco de O. Mesquita.

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de Lima, A.S., da Silva, F.L., da S. Sousa, C. et al. Growth and Production of Zea mays Fertigated with Biofertilizer and Water Blade in Semiarid Regions, Brazil. Water Air Soil Pollut 231, 520 (2020). https://doi.org/10.1007/s11270-020-04880-9

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  • DOI: https://doi.org/10.1007/s11270-020-04880-9

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