8 articles in this issue
Leandro Argotte, Oscar Fernando Barreiro, Néstor Enrique Cerquera, Hans Thielin Castro
Phosphoric rock is the main source of phosphorus used in fertilizers. In most cases, it is applied alone or mixed with other nutrients in water; however, its low solubility means that it is not used efficiently, causing excess phosphorus to be wasted. As ... see more
Leyanet Odales, Edelbis López, Lisbet Mailin López, Janet Jiménez, Ernesto Luis Barrera
The residual sludge from anaerobic digestion known as digestate has been used as a valuable biofertilizer, but the effect of the substrate, the configuration of the reactor and the operating parameter changes the quality and amounts of nutrients in it. Th... see more
Aline Nahanna Rodrigues, Gilmara Palermo, Madelon Braz, Böer Breier Tiago
The poor management and marketing of rose pepper (Schinus terebinthifolius Raddi) in São Pedro D'Aldeia - RJ called the local governments’ attention to adopt measures that favor the value chain, increase income, train rural producers, and launch the first... see more
Frank F. Velásquez-Barreto, Edson E. Ramirez-Tixe, Mariana D. Salazar-Irrazabal, Elias Salazar-Silvestre
Andean grains, widely distributed in the high areas of the Andean Highlands, can help to reduce malnutrition owing to their high content of protein and balance of essential amino acids. Recently, their consumption has changed as they are increasingly used... see more
Raimundo Wagner Souza Aguiar, Deyvid Rocha Brito, Vitor L Nascimento, Rodrigo Ribeiro Fidelis, Talita Pereira de Souza Ferreira, Gil Rodrigues Santos
Low-temperatures have long been thought to enhance seed health during storage. Here we tested the effect of low-temperature on the mycoflora associated with rice seeds. Seeds of the IRGA 423 and 424 cultivars were stored in refrigeration (8 and -50°C) or ... see more
Pedro Pablo Bacca, Jhon Jairo Zuluaga, José Ives Pérez, Diana Lucía Burbano, Manfred Ricardo Palacio
Understanding seed germination of native forest species of the Tropical wet forest is essential for ecosystem regeneration and conservation, which have been affected by the exploitation of wood and non-wood forest products. Carapa guianensis Aulb. (Meliac... see more
Ramon Antonio Rea Suarez, Orlando De Sousa-Vieira, Rosaura Briceno, Alida Diaz, Jose George
In Venezuela, sugarcane is grown in distinct environments, including soil categories and cultural practices. This research aimed to identify high-yield and stable sugarcane (Saccharum spp., hybrid) genotypes using selection indices. The experimental mater... see more
Claudia Patricia Criollo-Velásquez, Johana Alixa Muñoz-Belalcazar, Tulio César Lagos-Burbano
The determinant factors of coffee cup quality are highly variable and depend on their interaction with coffee production and benefit. This study aimed to analyze soil and climatic factors and their association with the cup quality of Castillo coffee varie... see more