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Nutrição e produtividade da nogueira-macadâmia em razão do parcelamento da adubação mineral
(Revista Brasileira de Ciência do Solo, 2014-06-01) [Artigo]
Nutrient availability during the year can affect the performance of macadamia (Macadamia integrifolia). However, there is no information about this crop responses to split application of fertilizer under Brazilian conditions. ...
Produtividade de cana-de-açúcar sob adubação com torta de filtro enriquecida com fosfato solúvel
(Pesquisa Agropecuária Tropical, 2010-12-01) [Artigo]
Phosphorus is considered an essential element for plants and it is found in small amounts in Brazilian soils. The filter cake residue, composed of a mixture of bagasse and decanting sludge, has high levels of organic matter, ...
Effect of potassium sources and rates on arabica coffee yield, nutrition, and macronutrient export
(Revista Brasileira de Ciência do Solo, 2014-10-01) [Artigo]
The use of potassium (K) rock powder can be an alternative for K supply of crops. Thus, to reduce K fertilizer imports from abroad, possibilities of extracting this nutrient from Brazilian rocks are being studied. The ...
Reprodução de Meloidogyne javanica em olerícolas e em plantas utilizadas na adubação verde
(Tropical Plant Pathology, 2013-04-01) [Artigo]
O objetivo do trabalho foi determinar o fator de reprodução de Meloidogyne javanica nas olerícolas alho poró (Allium porrum), cebolinha (A. schoenoprasum), coentro (Coriandrum sativum), salsa (Petroselinum crispum), beterraba ...
Estimativas da área da folha de figueiras 'Roxo de Valinhos' usando dimensões lineares do limbo foliar
(Ciência Rural, 2014-07-01) [Artigo]
This study aimed to generate and validate models to estimate the area of leaf of fig tree 'Roxo de Valinhos' using linear measurements easily taken. It was collected 600 leaves, including the maximum variation in size, ...
Filamentous fungi found on foundress queens of leaf-cutting ants (Hymenoptera: Formicidae)
(Journal of Applied Entomology, 2010-05-01) [Artigo]
Queens of the leaf-cutting ant species Atta laevigata and Atta capiguara were collected soon after their mating flight and maintained in the laboratory until death. Ant corpses showing signs of contamination by insect ...
Classificação fisiológica de sementes florestais quanto a tolerância à dessecação e ao armazenamento
(CERNE, 2014-09-01) [Artigo]
Seeds of five forest species were classified according to their physiological storage behavior. Seeds of Casearia sylvestris Swart (Salicaceae), Qualea grandiflora Mart. (Vochysiaceae), Guarea kunthiana A. Juss. (Meliaceae), ...
Congo grass grown in rotation with soybean affects phosphorus bound to soil carbon
(Revista Brasileira de Ciência do Solo, 2014-06-01) [Artigo]
The phosphorus supply to crops in tropical soils is deficient due to its somewhat insoluble nature in soil, and addition of P fertilizers has been necessary to achieve high yields. The objective of this study was to examine ...
Preference of Atta capiguara (Hymenoptera, Formicidae) for Different Grasses
(Sociobiology, 2011-01-01) [Artigo]
The preference of Atta capiguara for young leaves was evaluated and developed for nine grass species. Hyparrhenia rufa, Paspalum notatum cv Comum and Andopogon gayanus were the most preferred. Paspalum notatum cv Pensacola, ...
Seletividade do herbicida saflufenacil aplicado em pós-emergência em dez variedades de cana-de-açúcar na condição de soca
(Arquivos do Instituto Biológico, 2012-03-01) [Artigo]
This study was aimed to evaluate the selectivity of the herbicide saflufenacil applied alone and mixed, in post-emergence on 10 sugarcane cultivars in the second year after planting. The experiment was carried out in ...