Buscar
Itens para a visualização no momento 71-80 of 108
Tendência histórica e variabilidade do brilho solar e modelagem da radiação solar em Santa Maria, RS
(Universidade Federal de Santa Maria, 2012-02-02)
The objectives of this study were to test the homogeneity of monthly data of sunshine period from 1912 to 2010 hours of sunshine and the period from 1968 to 2010, recalculate the descriptive statistics of sunshine daily, ...
Simanihot: um modelo de simulação da cultura da mandioca e sua aplicação em clima futuro no Rio Grande do Sul
(Universidade Federal de Santa Maria, 2016-03-01)
Crop models are tools that can help to assist in decision making on crops management and also in studies of the impact of future climate scenarios. The objectives of this thesis were (i) to develop a cassava simulation ...
Produção de hidrogênio a partir da fermentação anaeróbia de hidrolisados de resíduos agroindustriais
(Universidade Federal de Santa Maria, 2019-02-19)
Considering the increasing global demand for energy, the reduction of nonrenewable energy resources and
concern for the environmental quality, hydrogen (H2) emerges as a clean, renewable and promising
alternative, since ...
Manejo de lagartas e percevejos da soja com controle localizado
(Universidade Federal de Santa Maria, 2013-02-18)
Soybean [Glycine max (L.) Merrill] is the most important crop grown in Brazil and worldwide. Nevertheless, the yield is still limited by several issues in which the damages by caterpillars and stink bugs are main ones if ...
Reformulação do cálculo do nível de dano econômico de insetos-praga da cultura da soja
(Universidade Federal de Santa Maria, 2018-07-09)
This thesis is about the reformulation of the calculation of the economic injury level of the soybean culture insects-pests, it was indebted in three chapters that complement each other and the themes were dissented under ...
Penetração cuticular / estomatal e sua influência na eficácia de fertilizantes foliares e agrotóxicos
(Universidade Federal de Santa Maria, 2018-06-29)
The better understanding of the mechanisms involved in the process of cuticular penetration and stomatal penetration has once again been a source of innovation and interest for researchers, given the recent technological ...
Tamanho da amostra, distribuição espacial de corós de cereais de inverno e danos de curculionídeos das raízes da soja
(Universidade Federal de Santa Maria, 2013-08-22)
The occurrence of species of Escarabeídeos is mentioned in Rio Grande do Sul. Their larval stage coincides with the development of winter crops and pastures and the most cited in the literature are Diloboderus abderus ...
Translocaçãode diamidas em soja e milho e efeito sobre Helicoverpa armigera(Hübner, 1808) e Spodoptera frugiperda(J. E. Smith, 1797)
(Universidade Federal de Santa Maria, 2019-08-09)
Characterization of insecticide movements in plants is important to optimize control efficiency and minimize costs to grower. The present work provided two articles that aims to characterize the mobility of chlorantraniliprole ...
Simulação dinâmica da soja, milho e feijão, cultivado sob diferentes regimes hídricos
(Universidade Federal de Santa Maria, 2014-01-15)
Agribusiness has high importance in the state of Rio Grande do Sul, with the incorporation of fundamental importance to maintain its competitiveness and attractiveness factor technologies. Irrigation has become among the ...
Influência de adjuvantes nas propriedades físico-químicas da calda de inseticidas, na formação de depósitos, penetração cuticular e remoção pela chuva
(Universidade Federal de Santa Maria, 2015-03-27)
The addition of adjuvants can improve the quality of agricultural chemical sprays and have been an usual practice on the last years. The work presents two papers aiming to study the influence of adjuvant apply on the ...