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Adubação do Eucalyptus urophylla S.T. Blake em solo arenizado no bioma Pampa
(Universidade Federal de Santa Maria, 2017-12-15)
Eucalyptus is the most planted forest genus in Brazil and in the world. Populations are established in the most varied environments and provide different levels of productivity. In the state of Rio Grande do Sul, new ...
Análise do crescimento e produção para determinar a maximização da renda de plantios de paricá na região norte de Mato Grosso
(Universidade Federal de Santa Maria, 2017-02-21)
The objective of this study was to analyze the growth and production to obtain the maximization of income of commercial plantations destined to lamination of paricá (Schizolobium parahyba var. Amazonicum (Huber x Ducke) ...
Volatilização de amônia dos dejetos líquidos de suínos aplicados em plantio direto: quantificação e estratégias de mitigação
(Universidade Federal de Santa Maria, 2017-07-31)
Ammonia volatilization is the primary cause of nitrogen loss from liquid pig slurry (PS). To measure this physical-chemical process and establish strategies for its mitigation is crucial to decrease environmental and ...
Aplicação de sensor multiespectral a bordo de VANT na determinação de graus de severidade de Erwinia psidii em Eucalyptus urograndis
(Universidade Federal de Santa Maria, 2017-02-22)
Awareness of losses caused by diseases in the field is considered one of the most important factors in the integrated management of diseases in Eucalyptus. Erwinia psidii die-back has been reported as one of the major ...
Herbicidas imidazolinonas: fitotoxicidade em arroz tolerante, azevém na entressafra e efeito do resíduo em soja
(Universidade Federal de Santa Maria, 2017-09-22)
The Clearfield® system of rice was developed as a control alternative of weeds in this crop, mainly weedy rice. Currently there are several rice varieties tolerant to herbicides of imidazolinones chemical group. The responses ...
Carbono-¹³C de raízes e parte aérea de culturas de verão em frações físicas da matéria orgânica de dois solos de várzea
(Universidade Federal de Santa Maria, 2017-07-31)
Crop diversification in lowland areas in Rio Grande do Sul is incorporating sorghum (Sorghum bicolor) and soybean (Glycine max) into rotation system with irrigated rice (Oryza sativa). Little is known about the impact of ...
Preparos do solo para eucalipto em segunda rotação: propriedades físicas e químicas e crescimento inicial
(Universidade Federal de Santa Maria, 2017-02-24)
Reforestation areas of forest plantation, which are cultivated in a second rotation, may have the soil structure altered by compaction from the surface to the deeper layers, because of the traffic of machines during ...
Desenvolvimento de um bioherbicida a partir de metabólitos de phoma sp. para o manejo de plantas daninhas
(Universidade Federal de Santa Maria, 2017-03-02)
The weeds are one of the main problems faced by the farmers, because such weeds are responsible for a significant amount of the agricultural losses. The key control method is the chemical with use of herbicides. Although ...
Adaptações na teoria de Green-Ampt para modelar a infiltração de água no solo
(Universidade Federal de Santa Maria, 2017-02-22)
The mathematical modeling of water infiltration into soil on a profile scale with the Green-Ampt (GA) model corresponds to the theme of this dissertation. The GA model, in this dissertation, was considered a physical-empirical ...
Espécies potenciais para plantio em área antropizada na região central do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2017-02-20)
The success of forest plantations, both for restoration and commercial purposes, is directly
related to the production process of seedlings in the nursery and to the cultural treatments used
after planting. Thus, the ...