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Atmosfera controlada dinâmica monitorada pelo quociente respiratório e sua interação com estádios de maturação sobre a conservação da qualidade e o perfil volátil de maçãs galaxy
(Universidade Federal de Santa Maria, 2016-02-22)
Harvesting the apple at the correct maturity stage for long-term storage is becoming more and more difficult, especially due to the lack of manual labor. Thereby, the development of storage techniques that allows the storage ...
Algoritmo para predição de risco de epidemia de phakopsora pachyrhizi em soja
(Universidade Federal de Santa Maria, 2016-02-23)
The control of asian soybean rust depends on the application of fungicides at the right time. The use of forecasting systems is an important tool in the decision-making process. This work aims to estimate a prediction ...
Doses de nitrogênio, silicatos e fungicidas em cultivar de arroz irrigado sensível à brusone
(Universidade Federal de Santa Maria, 2016-02-29)
Diseases are limiting factors for the expression of the high yield potential of rice cultivars in
the state of Rio Grande do Sul. Blast (Pyricularia oryzae) is considered the main disease,
causing damage to yield and milling ...
Respostas agronômicas e ecofisiológicas da cultura da canola ao excesso hídrico
(Universidade Federal de Santa Maria, 2016-02-19)
The objective of this study was to evaluate the agronomic and ecophysiological responses of canola cultivars grown under water excess in the soil, determining which crop stages are more sensitive, the length time of water ...
Avaliação da qualidade física de solos irrigados do Rio Grande do Sul e de funções de pedotransferência para a estimativa da retenção de água
(Universidade Federal de Santa Maria, 2016-06-17)
Knowledge of the physical and hydric characteristics of the soil is essential for proper management, aimed at conciliate good yields and soil quality. In agriculture, crop productivity tends to be maximized and environmental ...
Formas de fósforo no tecido de videiras: acúmulo, redistribuição e relação com parâmetros produtivos e composição da uva
(Universidade Federal de Santa Maria, 2016-07-29)
In grapevine production, requirement and phosphorus (P) doses are established on the basis total P content in leaves collected, change in color of fruit and productivity. Phosphorus absorbed, can be accumulated in plant ...
Desenvolvimento de pedotransferência física-empírica para Modelagem da retenção de água no solo
(Universidade Federal de Santa Maria, 2016-02-25)
Soil water retention stems from the action of attractive forces manifested by adsorption and capillary
phenomena. Matric potential (ψ) expresses the soil water retention energy, which varies ...
Dinâmica do nitrogênio-15N de palha de arroz, soja e sorgo em dois solos de várzea
(Universidade Federal de Santa Maria, 2016-07-29)
The use of alternative crops to rice (Oryza sativa L.), such as soybean (Glycine Maxl.) and sorghum (Sorghum bicolor L.) in lowland areas changes the chemical characteristics of the straw returned to soil. Straw quality ...
Seleção de linhagens de feijão para produção, acúmulo e eficiência de uso de fósforo na planta
(Universidade Federal de Santa Maria, 2016-09-23)
The use of common bean (Phaseolus vulgaris L.) cultivars efficient and responsive to phosphorus use is important for increase grain yield and reduce production cost. Thus, the objectives of this work were: (1) evaluate the ...
Tamanho da unidade experimental básica e tamanho de parcela para a massa verde de crotalária juncea
(Universidade Federal de Santa Maria, 2016-07-15)
This study aimed to investigate the influence of the basic experimental unit size in the estimate of the plot size to evaluate the fresh matter of aerial part of brown hemp (Crotalaria juncea L.), using three different ...