Production and Quality of Okra Fruits Submitted to Doses and Types of Biofertilizers

Abstract

This study aimed to evaluate the yield and the quality of the fruits of two okra cultivars (Abelmoschus esculentus), due to the varying doses and types of biofertilizers. The experiment was conducted the period September to December of 2017, at the experimental Piroás Farm, in the city of Redenção-CE, Brazil. The experimental design used was entirely randomized, in factorial design 5 × 2 × 2, referring to the five doses of the biofertilizer (0, 0.5, 1, 1.5 and 2.0 L plant-1 week-1), versus two types of liquid biofertilizers (bovine and caprine under aerobic fermentation) and two okra cultivars: Santa Cruz 47 and Clemson Spineless. The number of the fruits per plant, the average mass of the fruits, yield, the length and diameter of the fruit and peel thickness of the okra fruit, were increased according to the increase on the biofertilizers doses. The cultivar “Santa Cruz 47” presented higher values in the length of the fruit, whereas the cultivar “Clemson Americano 80” was superior in the variables “average fruit mass” and “diameter of the fruits”.

Physiological indices of okra under organomineral fertilization and irrigated with salt water

“…Okra [Abelmoschus esculentus (L.) Moench], a flowering plant in the family Malvaceae, with African origins, is primarily used for human consumption and has recently attracted interest from the industrial sector for fiber production. It is grown in tropical and subtropical areas due to its hardiness and low production costs (Marin et al, 2017;Torres et al, 2014;Sales et al, 2019).…”

Organic and mineral fertilization on productivity and postharvest of okra

“…Given the circumstances, an affordable and sustainable alternative for agricultural production is organic fertilization, applying biofertilizers and vegetable ash. Biofertilizers, aside from acting as fertilizer, have a beneficial influence on fruit productivity and quality (OLIVEIRA et al, 2014;SANTOS et al, 2014;SALES et al, 2019). Furthermore, vegetable ash, also, works as a soil conditioner for providing chemical improvements (BONFIM-SILVA et al, 2015).…”

“…It is mainly used in human food and recently has excited broad interest in the production of fibers. Its cultivation occurs in tropical and subtropical regions due to its rusticity and low production cost (MARIN et al, 2017;TORRES et al, 2014;SALES et al, 2019). In 2017, Brazil produced about 128,460 tons of okra.…”

“…O seu cultivo ocorre em regiões tropicais e subtropicais devido à rusticidade e ao baixo custo de produção. (MARIN et al, 2017;TORRES et al, 2014;SALES et al, 2019). O Brasil produziu no ano de 2017 cerca de 128.460 toneladas de quiabo, sendo a região Sudeste responsável por aproximadamente 53% da produção nacional (IBGE, 2018).…”

“…Diante das circunstâncias, uma alternativa acessível e sustentável para a produção agrícola é a adubação orgânica utilizando biofertilizantes e cinza vegetal. Os biofertilizantes, além de atuar como adubo, exercem influência benéfica sobre produtividade e qualidade de frutos (OLIVEIRA et al, 2014;SANTOS et al, 2014;SALES et al, 2019). A cinza vegetal, além de fertilizante, atua como condicionador do solo por proporcionar melhorias químicas (BONFIM-SILVA et al, 2015).…”