Composição química de sete variedades de feijão-fava.

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Morphological traits and ecological behavior of selected secondary forest tree species in the central Amazon.

The aim of the study is to detect causal links between the parameters measured and the ecological behavior of the species observed in the field, as a contribution to an autecological description of the secondaty forest tree species, in the Manaus-AM (Brasil). The results show some characteristics which can be interpreted as "functional traits" of certain types of secondary forest plants, e.g. the plant biomass of the species examined is negatively correlated with leaf sizes and with the percentage of leaf biomass in relation to total biomass

Energy supplementation strategies for growth crossbred calves during the rainy.

The objective was evaluated the results of energy supplementation strategies of growth crossbred calves during the rainy, in Nova Andradina/MS - Brazil. The crossbred calves (½ Angus & ½ Nelore; n = 170; 498.9 ± 29.4 d of age; 299.85 ± 10.32 kg of body weight), were stratified by body weight, and managed in a rotational stocking in Brachiaria brizantha cv. Marandu pastures, between January, 2017 and May, 2017

Sistema alternativo de criação: galinha caipira.

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Production of Copaíba (Copaifera spp.) oleoresina in Acre State, Brazil.

Most Copaifera tropical tree species produce oleoresins in their trunks and stems, which are used as medicine. Copaiba oleoresin production and its overall quality vary among species and individuals. Few studies have tried to evaluate the optimal harvest levels and intervals. This information is necessary in order to define rules of sustainable management. In Acre, local people recognize five C. reticulata morphotypes (?yellow?, ?red?, ?white? and two kinds of ?black? copaiba), which are defined in accordance with bark and leaf characteristics. This study compared the occurrence and differences in DBH among C. reticulata morphotypes in 41 properties of three municipalities, totaling 621 copaiba trees