Abstract
This study aimed to evaluate the morphological characteristics and leaf area of Solário hybrid green pepper plants under different doses and times of application of organic fertilizers based on manure and enriched organic compounds. Two experiments were carried out with applications of organic fertilizers based on manure and enriched organic compounds, using bovine manure (CBF) and sheep manure (SBF). A randomized block experimental design was used was in factorial scheme 4 x 3 + 1, with three replications, composed by the doses of biological fertilizers (100, 200, 300 and 400 dm³ ha-1), application times (0, 30 and 60 days after transplantation - DAT) and control. The following variables were evaluated: plant height (AP); canopy width (LC); stem diameter (DC); leaf number (NF); leaf length (CF); leaf width (LF); and leaf area (PA). The dose of 100 g L-1 of Bovine biofertilizer (CBF) applied at 30 and 60 DAT is indicated for hybrid green peppers cv Solário cultivation since it promoted greater expansion of leaf area. Bovine and sheep fertilizer are indicated to promote plant height, canopy width, stem diameter and number of leaves in hybrid green pepper cv Solário plants.
Highlights
Green pepper (Capsicum annuum L.) belongs to the Solanaceae family is an annual crop, native from tropical America
The variables leaf length (CF), leaf width (LF), and leaf area (PA) presented an isolated effect for the biological fertilizer factor, where the biofertilizer enriched with bovine manure (CBF) in its composition, showed improvement in the morphological characteristics of the plants
At 87 days after transplantation (DAT), the survival rate of the plants was 100% in both experiments. It was verified for the leaf length (CF) of the plants treated with the organic fertilizer enriched with bovine manure (CBF) (Figure 2A) presented more than 5% in comprimento de folha (CF) gain when compared with biological fertilizers enriched with sheep manure (SBF), at 30 and 60 DAT at dose 200 L ha-1 (Figure 2 B)
Summary
Green pepper (Capsicum annuum L.) belongs to the Solanaceae family is an annual crop, native from tropical America. It has shrub growth and semi-woody stem that branches out until the end of the plant cycle [1]. In order to increase productivity and reduce damage to the environment, especially to the soil, new methods in the agricultural sector have been searched, such as the application of biological or enriched fertilizers. These compounds promote fertilization and addition of organic matter and beneficial microorganisms in the soil, all.
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