This article aims to develop a precision methodology, to evaluate the work of a helical doser from a seed planter. The experiment was carried out in two conditions, a bench in laboratory, and, in a seed planter in the field, comparing the proposed evaluation methodology in the la...
Open access
Research Article10.9734/jeai/2019/v31i530087
The study was designed to model the effect of liquid digestate on growth dynamics of Zea mays plant. Maize seeds were subjected to various concentrations of liquid digestate (between 0% and 72%) using One-Factor Response Design with a total of ten (10) runs in 10L-capacity plasti...
Open access
Research Article10.9734/jeai/2019/v31i530083
This study was conducted to investigate the effects of feeding varying levels of Cochlospermum planchonii using 25 WAD goats. The study lasted for 84 days during which feed intake and haematological and biochemical parameters were monitored in 25 goats using a completely randomiz...
Open access
Research Article10.9734/jeai/2019/v31i530084
Felipe Silva de Medeiros, Joedla Rodrigues de Lima, Denize Monteiro dos Anjos, Maria José de Holanda Leite, Roberta Patrícia de Sousa Silva, Sérvio Túlio Pereira Justino, Luan da Silva Figueroa, Átila Bruno de Moraes Almeida & Allan Kardec de Sousa Araújo·Journal of Experimental Agriculture International·2019
The changes made in the natural dynamics cause risks that influence the equilibrium, terrestrial and atmospheric. The aim of the study was to characterize the land cover and land use of the Espinharas river sub-basin, with emphasis on the Permanent Preservation Areas (APP) and Ar...
Open access
Research Article10.9734/jeai/2019/v31i530082
Ana Maria Maciel dos Santos, Kleyton Danilo da Silva Costa, Cristina dos Santos Ribeiro Costa, Michelangelo de Oliveira Silva, Dimas Menezes, José Luiz Sandes de Carvalho Filho & Denisson Lima do Nascimento·Journal of Experimental Agriculture International·2019
The genetic parameters provide indispensable information about the genetic behavior of the study population regarding the characters evaluated, providing subsidy to the breeder on the decision about the best selection method to adopt in order to realize a genetic gain and maintai...
Open access
Research Article10.9734/jeai/2019/v31i530081
The study was carried out with the objective of estimating the combinatorial capacity of ornamental pepper (Capsicum. annuum L.) genotypes for flower traits, aiming to identify the best hybrids and the best parents for the synthesis of new populations. The experiment was conducte...
Open access
Research Article10.9734/jeai/2019/v31i430079
Antônio Francisco de Mendonça Júnior, Ana Paula Medeiros dos Santos Rodrigues, Rui Sales Júnior, Andréia Mitsa Paiva Negreiros, Marcos Oliveira Bettini, Cláudia Dayane Melo Freitas, Kevison Romulo da Silva França & Thomaz Rauan Rodrigues Gomes·Journal of Experimental Agriculture International·2019
Aims: The objective of the research was to evaluate the influence of the seaweed extract applications, Ascophyllum nodosum (L.) to the productive development and quality of watermelon plants. Study Design: Two experiments were carried out. For experiments I and II, the completely...
Open access
Research Article10.9734/jeai/2019/v31i430080
Igor Rozado Bosa, Paola Alfonsa Vieira Lo Monaco, Ismail Ramalho Haddade, Henrique Teodoro Barth, Vinícius Roldi, Gustavo Haddad Souza Vieira & Alberto Chambela Neto·Journal of Experimental Agriculture International·2019
This study evaluates the effect of different angles of inclination of air chamber and ratios of fall/elevation heights (h/H) on the efficiency of hydraulic ram pumps made with alternative materials. The experiment is divided in two stages. In the first, an entirely randomized des...
Open access
Research Article10.9734/jeai/2019/v31i430076
Antonio Gustavo de Luna Souto, Maria Helena Menezes Cordeiro, João Paulo Gava Cremasco, Valtânia Xavier Nunes, Keise Barcelas Morais & Carlos Eduardo Magalhães dos Santos·Journal of Experimental Agriculture International·2019
Aims: This study was to characterize and correlate physical and physico-chemical properties of cambucá fruits (Plinia edulis). Study Design: Experimental design was completely randomized with fifteen samples of five fruits each. Place and Duration of Study: Experimental orchard o...
Open access
Research Article10.9734/jeai/2019/v31i430077
Luane Laíse Oliveira Ribeiro, Letícia do Socorro Cunha, Wanderson Cunha Pereira, Lucila Elizabeth Fragoso Monfort, Francisca Das Chagas Bezerra De Araújo, Maria Eunice Lima Rocha & Antônio Augusto Rodrigues dos Santos·Journal of Experimental Agriculture International·2019
The municipality of Capitão Poço, located in the state of Pará / Brazil, received the demonization of land from the orange, with citriculture as the main source of income for the producers in the municipality. Among the sectors of citrus production, the production of the rootstoc...
Open access
Research Article10.9734/jeai/2019/v31i430078