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Adubação nitrogenada e densidade de semeadura em soja
(Universidade Federal de Santa Maria, 2010-02-19)
In cultivars with a cycle shorter than 120 days it is known that there is a relationship between the speed of canopy closure and the grain yield. Aiming at a better initial growing and consequently a quickest canopy closure ...
Alterações fisiológicas e bioquímicas em plantas cultivadas em solos com acúmulo de cobre e zinco
(Universidade Federal de Santa Maria, 2010-11-26)
Soil pollution by heavy metals such as copper (Cu) and zinc (Zn) has deserved special attention as it may represent risks to the quality of the environment. In Brazil particularly in the state of Rio Grande do Sul, the ...
Diagnóstico e recuperação da mata ciliar da Sanga Lagoão do ouro na microbacia hidrográfica do Vacacaí-Mirim, Santa Maria - RS
(Universidade Federal de Santa Maria, 2010-11-12)
The intensive and disordered use of the soil has been taking many ecosystems to the degradation,
besides the ciliary ones that, in spite of they be considered by the legislation as Permanent
Preservation Areas, they have ...
Liberação de nitrogênio em diferentes solos e épocas de cultivo sob adubação orgânica
(Universidade Federal de Santa Maria, 2010-04-30)
Organic fertilizers promote improvements in soil properties and are important in providing balanced nutrients to plants. The officials parameters adopted by the Commission of Chemistry and Soil Physics in the States of Rio ...
Estrutura e água em argissolo sob distintos preparos na cultura do milho
(Universidade Federal de Santa Maria, 2010-10-15)
The retention and availability of water in the soil are controlled by soil structure and its temporal variation is associated with the weather and the crops needs. Water also controls the aeration and soil penetration ...
Qualidade da matéria orgânica e disponibilidade de cobre em solos de áreas de videira
(Universidade Federal de Santa Maria, 2010-03-29)
In Brazil, the grape is produced in several regions, but in the South that the culture of the vine
has great economic importance because it has suitable climatic conditions for growing this species.
The application continues ...
Cianobactérias heterocitadas e euglenas vermelhas em lavoura de arroz irrigado por inundação em planossolo háplico, Santa Maria, RS
(Universidade Federal de Santa Maria, 2010-08-30)
Oxyreduction reactions resulting from the soil flood promote lighest availability of nutrients from fertilizer application, soil solution. Although the management of drainage, necessary to improve plant establishment ...
Desenvolvimento de tecnologias para processamento de tubérculos não comercializáveis de batata
(Universidade Federal de Santa Maria, 2010-06-10)
The potato is a basic and rich food in carbohydrates, proteins and vitamins. It is worldwide
consumed in a multiplicity of dish preparations. The Brazilian potato production is
usually for the domestic market. Tubers are ...
Modelos mistos no ajuste de curvas de crescimento de Ricinus communis L.
(Universidade Federal de Santa Maria, 2010-07-16)
The world energy demand must be met, however, the conventional sources are nearing exhaustion, and cause harmful effects to the environment. In this sense, it has been researched renewable energy sources as an alternative ...
Posição dos gotejadores e cobertura do solo com plástico, crescimento radicular, produtividade e qualidade do melão
(Universidade Federal de Santa Maria, 2010-02-26)
Surface drip irrigation is widespread for the melon crop. To improve the efficiency of this system subsurface drip irrigation and plastic mulching can be used. These management practices can influence soil moisture, and ...