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Pisolithus microcarpus e óleo essencial em três espécies nativas em solo contaminado com cobre
(Universidade Federal de Santa Maria, 2014-02-21)
Mining areas and constantly receiving addition of industrial waste are subject to increased levels of copper in the soil. Copper when in high amounts in the soil can adversely affect vegetation preventing the cultivation ...
Fontes e parcelamento do nitrogênio na cultura do milho
(Universidade Federal de Santa Maria, 2014-07-03)
Nitrogen (N) in maize is a major nutrient that influences grain yield, because it participates on numerous metabolic pathways. It is present in the soil organic matter (OM) and it is necessary that it passes through a ...
Gesso ou intervenção mecânica nas melhorias do gradiente de cátions do solo e na produtividade da soja e milho em plantio direto
(Universidade Federal de Santa Maria, 2014-02-28)
The No-Tillage (NT) diffused in about 70 % of producing grain crops and has emerged as an alternative to soil losses due to the conventional tillage. However, it has been observed in recent years that the basic assumptions ...
Indução de variabilidade genética aplicada ao melhoramento de Braquiária
(Universidade Federal de Santa Maria, 2014-07-21)
The application and adaptation of pre-selection techniques to select individuals with traits of interest is of high importance with the breeding programs, as well as the gain selection in the populations studied. In ...
Fenologia e efeito da utilização de doses de boro e cálcio sobre a produção de tomate italiano em duas épocas de cultivo
(Universidade Federal de Santa Maria, 2014-03-28)
This study aimed to evaluate the cycle and the effect of calcium via floral and boron in the soil, production and occurrence of blossom-end rot in Italian tomato grown in different cropping seasons. The experiments were ...
Fenologia, potencial produtivo e fontes de adubação no cultivo do morangueiro
(Universidade Federal de Santa Maria, 2014-03-21)
The overall objective of this study was to determine the phenology and yield potential of strawberry cultivars and to evaluate different sources of fertilizer pre-planting in the production of strawberry grown in low ...
Fitonematoides na cultura da cana-de-açúcar no Rio Grande do Sul: levantamento, caracterização e reação de genótipos a Meloidogyne javanica e Pratylenchus zeae
(Universidade Federal de Santa Maria, 2014-03-06)
The objectives of this study were to characterize root-knot and lesion nematode populations of sugar cane fields of the Rio Grande do Sul state, and to evaluate the reaction of sugar cane genotypes to Meloidogyne javanica ...
Épocas de aplicação de nitrogênio no feijoeiro comum (Phaseolus vulgaris L.) baseadas no índice de suficiência de clorofila
(Universidade Federal de Santa Maria, 2014-03-17)
Due to the high economic and social importance of the common bean in Brazil, still has doubts regarding the manner mode and use of topdressing nitrogen fertilizer aiming to obtain high yields, concern about the excessive ...
Efeitos do sombreamento na produção de matéria seca, valor nutritivo, morfologia e anatomia de azevém em sistemas agroflorestais
(Universidade Federal de Santa Maria, 2014-03-28)
The objectives of this study were to quantify the meteorological elements in agroforestry system (AFS) and full sun, to analyze the evaluate the leaf area, percentage of leaves and stems, quantify the production of dry ...
Propriedades físicas de um latossolo após calagem, gessagem em manejo do solo
(Universidade Federal de Santa Maria, 2014-02-27)
The tillage system, widely used in Rio Grande do Sul, provides improvements in plant soil environment. However, due to the traffic of machines in areas not have upturn the formation of subsurface layers with higher compaction ...