Results 21 to 30 of about 6,916 (270)

Fitorremediação de solos contaminados com picloram por Urochloa brizantha [PDF]

Pesquisa Agropecuária Tropical, 2014
O picloram é um herbicida que apresenta elevada persistência no solo, podendo causar danos severos a plantas cultivadas em sucessão e ao meio ambiente. A fitorremediação de áreas contaminadas vem sendo estudada como forma de redução da persistência e impacto ambiental desse herbicida.
Franco, Miguel Henrique Rosa, França, André Cabral, Albuquerque, Marco Túlio, Schiavon, Nykolas Carvalho, Vargas, Guto Nascimento   +4 more
openaire   +2 more sources

How does the condition of the pasture in late winter influence the plant and animal responses in the subsequent seasons?

Bioscience Journal, 2022
This study aimed to test the hypotheses: (i) the deferred pasture with lower height in late winter has greater herbage accumulation rate (HAR) and better structure, which facilitates the animal selective grazing during the subsequent spring and summer ...
Manoel Eduardo Rozalino Santos, Fernanda Rosalinski Moraes, Gabriel de Oliveira Rocha, Davi Moraes de Oliveira, Flávia de Oliveira Scarpino van Cleef, Bruno Humberto Rezende Carvalho   +5 more
doaj   +1 more source

Soil quality indicators for Urochloa brizantha fertilized with wood ash

Revista Brasileira de Engenharia Agrícola e Ambiental, 2023
ABSTRACT The objective was to evaluate the effect of wood ash dose and application management on soil quality attributes in a Cerrado area cultivated with Urochloa brizantha. The experiment was carried out in a randomized block design in a 5 × 2 strip-plot scheme and four repetitions.
Wlly C. M. de Oliveira, Edna M. Bonfim-Silva, André P. F. Ferraz, Salomão L. Guimarães, Tonny J. A. da Silva, Thiago F. Duarte   +5 more
openaire   +1 more source

Timing of nitrogen application and cover crops on upland rice economic viability [PDF]

Pesquisa Agropecuária Brasileira, 2021
: The objective of this work was to evaluate the economic viability and competitiveness of upland rice (Oryza sativa), compared with flooded rice, in a system with different nitrogen fertilization timing and cover crops in Southeastern Brazil.
Isabô Melina Pascoaloto, Carlos Alexandre Costa Crusciol, Carlos Antônio Costa do Nascimento, Carlos Magri Ferreira, Mellissa Ananias Soler da Silva, Luiz Gustavo Moretti de Souza, Maura Seiko Tsutsui Esperancini   +6 more
doaj   +1 more source

Disturbance as a factor in breaking dormancy and enhancing invasiveness of African grasses in a Neotropical Savanna [PDF]

, 2016
The Cerrado is threatened by wildfires and invasive species. We aimed to evaluate in laboratory conditions whether temperature fluctuation at the soil surface, resulting from the absence of vegetation due to fire, can affect the germination of Urochloa ...
Baeza, M. Jaime, Fidelis, Alessandra, Gorgone-Barbosa, Elizabeth, Pivello, Vânia R.   +3 more
core   +4 more sources

Molecular dating of phylogenetic divergence between Urochloa species based on complete chloroplast genomes

BMC Genomics, 2017
Background Forage species of Urochloa are planted in millions of hectares of tropical and subtropical pastures in South America. Most of the planted area is covered with four species (U. ruziziensis, U. brizantha, U. decumbens and U.
Marco Pessoa-Filho, Alexandre Magalhães Martins, Márcio Elias Ferreira   +2 more
doaj   +1 more source

Survival of Haemonchus contortus larvae in forage species in the Eastern Amazon [PDF]

Pesquisa Agropecuária Brasileira, 2022
The objective of this work was to evaluate the survival of third-stage larvae (L3) of Haemonchus contortus in forage species in the Eastern Amazon. Four paddocks composed of Megathyrsus maximus 'Massai', M. maximus 'Mombaça', Urochloa brizantha 'Marandu',
Claudina Rita de Souza Pires, Gustavo Góes Cavalcante, Robert Sanchez Prado, Lívio Martins Costa Júnior, Gabriela Riet Correa Rivero   +4 more
doaj   +1 more source

PRÉ-TRATAMENTO DE SEMENTES DE Urochloa brizantha COM PACLOBUTRAZOL

COLLOQUIUM AGRARIAE, 2017
O objetivo do trabalho foi verificar o efeito do pré-tratamento de sementes, via pulverização, com paclobutrazol em sementes de Urochloa brizantha cv. Marandú, em duas situações, com e sem deficiência de água, no Laboratório de Sementes da UNOESTE. As sementes passaram pelo pré-tratamento, sendo expostas de maneira uniforme a uma pulverização com 0, 21,
Diego Peratelli Ederli, Fabiana Lima Abrantes, Rafaela Torquato de Agostini, Edna Antonia Torquato de Agostini, Ceci Castilho Custódio   +4 more
openaire   +4 more sources

Death of pastures syndrome: tissue changes in Urochloa hybrida cv. Mulato II and Urochloa brizantha cv. Marandu [PDF]

Brazilian Journal of Biology, 2017
Abstract The quality of forage production is a prerequisite to raising livestock. Therefore, income losses in this activity, primarily cattle raising, can result in the impossibility of economic activity. Through the qualitative and quantitative anatomical study of Urochloa hybrida cv. Mulato II and U. brizantha cv.
Ribeiro-Júnior, N. G., Ariano, A. P. R., Silva, I. V.   +2 more
openaire   +5 more sources

Grain yield of corn at different population densities and intercropped with forages

Revista Brasileira de Engenharia Agrícola e Ambiental, 2015
The no-tillage system optimizes agricultural areas, maintaining the supply of straw and promoting crop rotation and soil conservation. The aim of the present study was to evaluate sowing quality and grain yield of corn intercropped with three forage ...
José M. do Nascimento, Carlos E. A. Furlani, Carlos A. Chioderoli, Renata F. de Queiroz, Rafael S. Bertonha, Fabio A. Cavichioli   +5 more
doaj   +1 more source