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Previsão de safra de arroz no estado do Rio Grande do Sul através de modelagem numérica
(Universidade Federal de Santa Maria, 2015-02-19)
The objective of this study was to define a methodology for monitoring a flooded rice crop forecast for Rio Grande do Sul, and to evaluate the effect of the flood time on growth, development and rice productivity. Two ...
Variação de alguns elementos micrometeorológicos no dossel de plantas de batata
(Universidade Federal de Santa Maria, 2005-02-28)
Potato (Solanum tuberosum) crop has many cultivation problems such as pests and the diseases, that settle down in the plants if the environmental donditions are favorable. The more important meteorological elements for ...
Tolerância do arroz irrigado ao herbicida clomazone pela ação de protetores de plântulas
(Universidade Federal de Santa Maria, 2009-02-27)
Clomazone is a herbicide used for grass weed control in paddy rice. However, label rate may not provide efficient control for some weed species. For this reason many
times it is necessity to increase the rate to improve ...
Plano experimental para características do rácemo de mamoneira em diferentes espaçamentos entre plantas
(Universidade Federal de Santa Maria, 2009-04-25)
The cultivation of castor beans presents considerable advances in recent years, because it is a promising crop for production of biodiesel. The planning of experiments for evaluation the productivity of castor beans is ...
Impacto de agroquímicos usados na lavoura de arroz irrigado sobre a qualidade da água de irrigação e na comunidade zooplanctônica
(Universidade Federal de Santa Maria, 2010-02-26)
Agrochemicals are intensely used on rice (Orysa sativa L.) paddy culture, and depending on their environmental persistence and toxicity they may contaminate water bodies and affect non-target organisms. Both herbicides and ...
Determinação do potencial fisiológico de sementes de arroz baseado na integridade das membranas celulares
(Universidade Federal de Santa Maria, 2011-02-24)
Appropriate procedures for analyze the quality of seed is of fundamental importance, but are still incomplete in the quality control programs. The work was aims to standardize the methodology of the electrical conductivity ...
Crescimento, desenvolvimento e produtividade de cana-deaçúcar em cultivo de cana-planta e cana-soca de um ano Santa Maria, RS
(Universidade Federal de Santa Maria, 2011-02-17)
The objectives of this Dissertation were to estimate the base temperature of leaf appearance, determine the phyllochron, leaf area, tillering, leaves number on stem elongation and determine the crop yield of three clones ...
Superação da dormência de sementes e controle químico de cordas-de-viola (ipomoea spp.) em soja resistente ao glifosato
(Universidade Federal de Santa Maria, 2010-07-09)
Morningglory is an annual plant reproduced by seeds. Seed germination occurs in streams during spring and summer making it difficult to control. Its occurrence has
increased in soybean crops in southern states by the ...
Qualidade de sementes e grãos de arroz irrigado em função da aplicação de fungicida, época de colheita e período de armazenamento
(Universidade Federal de Santa Maria, 2010-02-25)
Protection of irrigated rice plants using fungicides is growing every year as observation of fungal diseases is increasing. Higher occurrence of disease is observed when
seeding is conducted after the recommended period. ...
Estudo de substâncias com efeito de regulador de crescimento no potencial fisiológico do arroz irrigado
(Universidade Federal de Santa Maria, 2012-02-17)
The objective of this study was to evaluate the interference of substances with effect of
growth regulator, applied to seeds in physiological quality of rice seed subjected to the
condition of low temperature stress, seeking ...