Fernando Ferreira Lima dos Santos, Guilherme de Moura Araújo, Lucas Ferreira Lima dos Santos, Leticia Cardoso Madureira Tavares, Rodrigo Nogueira Martins & Flávio Castro da Silva·Journal of Experimental Agriculture International·2018
Agricultural operations are generally carried out in places subject to abrupt environmental changes. In order to provide improvements in the work environment of tractor operators, it is of the utmost importance to monitor and make changes in the work environment. The present work...
Open access
Research Article10.9734/JEAI/2018/42187
Amélia Laísy do Nascimento, Emanoel Di Tarso dos Santos Sousa, Fernando Ferreira Lima dos Santos, Samira Luns Hatum de Almeida & Domingos Sárvio Magalhães Valente·Journal of Experimental Agriculture International·2019
Management zones can be delimited using fuzzy logic, a technique that assigns values of degrees of pertinence to each pixel of a map. When the value tends to 1, these degrees indicate that there is certainty that the pixel belongs to a certain class of the management zone. Howeve...
Open access
Research Article10.9734/JEAI/2019/46239
The challenge of recovering degraded soils due to salinity excess leads to the search for more effective strategies that can overcome this problem. Among these, one of the approaches is the use of resistant plant varieties in affected areas. This study aimed to evaluate the influ...
Open access
Research Article10.9734/jeai/2019/v34i530183
Abdon Francisco Aureliano Netto, Rodrigo Nogueira Martins, Guilherme Silverio Aquino de Souza, Fernando Ferreira Lima dos Santos & Jorge Tadeu Fim Rosas·Journal of Experimental Agriculture International·2019
This study aimed to modify a webcam by replacing its near-infrared (NIR) blocking filter to a low-cost red, green and blue (RGB) filter for obtaining NIR images and to evaluate its performance in two agricultural applications. First, the sensitivity of the webcam to differentiate...
Open access
Research Article10.9734/jeai/2019/v32i530117
Rodrigo Nogueira Martins, Ailton Rodrigues de Oliveira, Leticia Thália Silva Machado, Fernando Ferreira Lima dos Santos, Wagner da Cunha Siqueira & Juliana Aparecida de Souza Santos·Journal of Experimental Agriculture International·2018
There is still a lack of information in the literature regarding the sampling grid size and its effect on the accuracy of soil attributes spatial variability mapping. Thus, the present study aimed to evaluate the influence of different sampling grid sizes regarding accuracy for s...
Open access
Research Article10.9734/JEAI/2018/42681
Lucas de Arruda Viana, Deborah Campos Tomaz, Rodrigo Nogueira Martins, Jorge Tadeu Fim Rosas, Fernando Ferreira Lima dos Santos & Marcelo Fagundes Portes·Journal of Experimental Agriculture International·2019
The growing human population added to the rural exodus has aggravated the pressure in the agricultural sector for greater production. Faced with this problem, research has developed optical sensors for more productive agriculture with the purpose of minimizing the effects of rura...
Open access
Research Article10.9734/jeai/2019/v35i230203