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Freqüências de irrigação para Eucalyptus grandis e Pinus elliottii em viveiro
(Universidade Federal de Santa Maria, 2007-08-08)
This study had as object to evaluate the irrigation management influences in Pinus elliottii Engelm. and Eucalyptus grandis W. Hill ex Maiden. seedlings, according to its deficiencies, keeping the germination and development ...
Efeito da variação da regulagem no perfil transversal de aplicação com distribuidores centrífugos
(Universidade Federal de Santa Maria, 2005-08-26)
Centrifugal broadcaster spreaders are equipments that revolutionized the application technology application of solid material in agriculture, for presenting a great field
capacity for operational field and being able to ...
Efeito de diferentes estratégias de irrigação sob a cultura da soja (Glycine max (L.) Merril) na região de Santiago, RS
(Universidade Federal de Santa Maria, 2007-02-16)
Among the different production s factors, water is what most limits the productivity of the cultivated plants, especially in regions where the irregular distribution of pluvial precipitation
is present. In these cases, ...
Efeito de diferentes níveis de irrigação na produtividade e ocorrência de requeima na cultura da batata
(Universidade Federal de Santa Maria, 2007-02-22)
Potato is grown in Central Rio Grande do Sul State mainly by small farmers, which use weekly sprayings with fungicides, without taking into account if meteorological conditions
favor or not Late Blight and other pathogens. ...
Épocas de menor risco de estresse hídrico e térmico para o feijoeiro na região central do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2005-01-27)
The common bean is the main food of many Brazilians and it is produced in the whole national territory, wich means that this spcies cultivated in variety of meteorological conditions. In spite of its great importance, the ...
Produtividade, severidade de mancha de alternaria e deficiência hídrica em diferentes épocas de semeadura do girassol em Santa Maria - RS
(Universidade Federal de Santa Maria, 2009-12-15)
This study aimed to determine the occurrence of values of severity of injury caused by alternaria leaf spot and water deficit during the developmental cycle of three genotypes of sunflower and its relationship with ...
Comportamento dinâmico e mecânico do solo sob níveis diferenciados de escarificação e compactação
(Universidade Federal de Santa Maria, 2007-02-16)
Soil compaction under no-tillage system has been causing serious problems to plant growth and to agriculture machines operation due to high soil resistance to tillage. Soil chiseling is a possible solution, however, some ...
Estudo da dinâmica hídrica de um reservatório afetado pela construção de um segundo reservatório a montante
(Universidade Federal de Santa Maria, 2004-07-23)
The construction of reservoirs in sequence in the same basin has produced great problems in rural environment. It is supposed that reservoirs constructed in downstream of a second reservoir have their discharge affluent ...
Efeito de diferentes estratégias de irrigação sob as culturas de feijão (Phaseolus vulgaris L.) e milho (Zea mays L.) na região de Santiago, RS
(Universidade Federal de Santa Maria, 2007-02-16)
Water is one of the production factors that limit the most the output of cultivated plants. In regions in which the rain distribution is irregular, it may occur significant losses in the output of cultures. In these cases, ...
Estimativa da retenção de água em solos para fins de irrigação
(Universidade Federal de Santa Maria, 2007-03-08)
The purpose of the present work was to establish and to test pedotransfer functions for water retention the Rio Grande do Sul s soils. Water retention data were obtained from Solano Peraza s dissertation, Irriga System ...