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Fontes de nitrogênio associadas a Azospirillum brasilense: impacto sobre crescimento e produtividade de trigo e milho
(Universidade Federal de Santa Maria, 2020-03-13)
Nitrogen fertilization in wheat and corn crops has the greatest impact on production
costs in the fertilization item, due to their importance and need for these cultures. In
this way, poultry litter and ...
Cultivo do trigo duplo propósito em sistemas silvipastoris
(Universidade Federal de Santa Maria, 2016-02-23)
The intercropping between two species of agronomic interest adds more complex research and guidelines, as there is growth, development and resource sharing. When not planned correctly the consortium may bring harm. Thus, ...
Desfolha inicial do feijão e seu impacto na habilidade competitiva com plantas daninhas
(Universidade Federal de Santa Maria, 2022-02-17)
Among the factors that can cause damage to beans (Phaseolus vulgaris) are the attack of defoliating insects and the interference of weeds in the initial growth stages. Defoliation caused by insects at early crop cycle can ...
Modelos multivariados na caracterização e seleção de genótipos superiores de aveia preta (Avena strigosa S.)
(Universidade Federal de Santa Maria, 2022-02-21)
Black oat (Avena strigosa S.) is one of the most cultivated winter cereals in Rio Grande do Sul
due to its rapid growth, rusticity, high forage yield and easy seeding. Despite the extensive
cultivated areas, few breeding ...
Eficiência de uso do nitrogênio por gramíneas e emissões de amônia em função do manejo do dejeto líquido de bovino
(Universidade Federal de Santa Maria, 2017-02-21)
The effects of the injection of liquid bovine waste (DLB) on the soil combined with the
use of nitrification inhibitors, such as dicyanodiamide (DCD), is still poorly
documented, mainly on N losses to the atmosphere via ...
Plantas de cobertura de outono/inverno e suas relações com a cultura da soja
(Universidade Federal de Santa Maria, 2019-08-28)
Increasing global demand for food is a major challenge for modern and sustainable agriculture. As an essential factor in this process, the soil is a renewable resource, however, improper soil management through agricultural ...
Fixação biológica de nitrogênio e FMAS no desenvolvimento da soja em solo contaminado com cobre
(Universidade Federal de Santa Maria, 2021-04-23)
The intense and continuous use of heavy metals by anthropic activityhas increased the
contamination of the soil with copper, becoming a problem that negatively affects the
growth and productivity of plants and microorganisms. ...
Plastocrono, eficiência de conversão e estimativa de duração das fases fenológicas na cultura da soja
(Universidade Federal de Santa Maria, 2015-02-19)
This study aimed to evaluate the growth and development of soybean cultivars submitted in different spatial arrangements associated with weather temperature elements and solar radiation, and also the contribution of ...
Efeitos do sombreamento na produção de matéria seca, valor nutritivo, morfologia e anatomia de azevém em sistemas agroflorestais
(Universidade Federal de Santa Maria, 2014-03-28)
The objectives of this study were to quantify the meteorological elements in agroforestry system (AFS) and full sun, to analyze the evaluate the leaf area, percentage of leaves and stems, quantify the production of dry ...
Estratégias de agricultura de precisão para definição de planos de manejo inteligentes
(Universidade Federal de Santa Maria, 2016-02-17)
This study used precision agriculture (AP) techniques to understand the dynamics of physical, chemical and biological soil for different winter management systems after three years of cultivation, to serve as the basis of ...