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Influência da radiação solar e da temperatura do ar na produção de pepino em estufa plástica
(Universidade Federal de Santa Maria, 2004-07-15)
It was studied the influence of the variables global solar radiation and air temperature about the production of cucumber. It was used data of yield was studied was used data of production of each harvest along the ...
Influência da população de plantas, doses de nitrogênio e controle de doenças na produção e qualidade de grãos e sementes de arroz irrigado
(Universidade Federal de Santa Maria, 2005-04-26)
The objective of this study was to evaluate the effect of plant densities, nitrogen levels and foliar diseases control on grain yield and seed quality of irrigated rice. An experiment was conducted in Santa Maria RS ...
Modelagem do desenvolvimento da batata (solanum tuberosum l.) à campo
(Universidade Federal de Santa Maria, 2005-01-14)
Potato (Solanum tuberosum L.), Solanaceae, native of Cordilheira dos Andes, South America, is the fourth food crop worldwide, being only overcome by wheat, rice and corn. Potato production in Brazil is concentrated in the ...
Residual da mistura formulada dos herbicidas imazethapyr e imazapic em áreas de arroz sob diferentes manejos de solo
(Universidade Federal de Santa Maria, 2008-04-03)
Red rice (Oryza spp.) is one of the main limiting factors of rice yield (O. sativa L.) in the world and particularly in the Rio Grande do Sul (RS) state Brazil. The Clearfield®
technology is a viable and efficient tool for ...
Freqüência de irrigação no cultivo hidropônico da alface
(Universidade Federal de Santa Maria, 2008-02-21)
The objective of the work was to verify the influence of four intervals between the irrigations on the production of lettuce in hydroponics system and the retention of nutrient solution, besides more determining the best ...
Resíduos de agroindústrias familiares: Impactos na qualidade da água e tratamento com técnicas simplificadas
(Universidade Federal de Santa Maria, 2010-02-26)
Human activities have altered the environmental quality especially with regard to water sources. The agro-industry activity in small scale may represent a potential pollutant different from those of other agricultural ...
Fungos ectomicorrízicos do sul do Brasil, com ênfase no hábito hipógeo
(Universidade Federal de Santa Maria, 2010-10-29)
Fungi represent an extremely important group of organisms in terrestrial ecosystems. Among their several important ecological roles, is the mutualistic association with
plant roots, forming different types of mycorrhiza. ...
Atributos químicos após dezenove aplicações de dejeto líquido de suínos em argissolo sob plantio direto
(Universidade Federal de Santa Maria, 2010-09-27)
The use of pig slurry as a source of nutrients can affect the conditions of acidity and nutrient availability, altering the environment for crop development. The objective of this study was to evaluate changes in chemical ...
Águas acumuladas em açudes e barragens na região de Santa Maria e flutuações em seus atributos físico químicos
(Universidade Federal de Santa Maria, 2005-09-30)
The quality of superficial waters of reservoirs depends on the form of ground
use occupation on the catchments area. As the recharge is superficial emanation the
enrichment of the water with plants nutrients is consequence ...
Sistemas de cultivo para a cultura de melancia
(Universidade Federal de Santa Maria, 2010-07-15)
Aiming to evaluate the watermelon crop (Citrullus lanatus L.) in different management systems, on an Ultisol in the Central Depression of RS, Brazil, an experiment was carried out during the agricultural year 2008/2009 ...