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Estratégias de fornecimento de nitrogênio em videiras em produção
(Universidade Federal de Santa Maria, 2018-02-28)
Soils with sandy texture and low organic matter have low nitrogen (N) availability, it is
necessary supplemental applications to the vines. N is applied on the soil surface without
incorporation, which potentiates losses ...
Manejos do solo e uso de calcário para cultivo de soja em planossolo
(Universidade Federal de Santa Maria, 2019-07-30)
In Rio Grande do Sul State, flooded rice monoculture in lowland areas is being difficulted due
to the increase of production costs, mainly by weeds control and yield stagnation. Crop
rotation is a strategy to be adopted ...
Influência da densidade populacional na fenologia e na produtividade da cultura do milho
(Universidade Federal de Santa Maria, 2014-09-08)
The field survey was conducted in Palmeira das Missões, with the objective of
evaluating the effect of plant population on yield of maize (Zea mays) under different
populations (70,000, 85,000, 95,000, 100,000, 105,000, ...
Gestão da variabilidade espacial de atributos químicos do solo com base na amostragem e taxa variável de fertilizantes e corretivos para a cultura da soja
(Universidade Federal de Santa Maria, 2019-02-27)
Precision Agriculture seeks to optimize the inputs used in the crop to improve productivity, reduce costs, reduce environmental impacts and increase work efficiency, thereby optimizing decision making. With the spatial and ...
Estudo de caso: resposta do milho a doses e fracionamento do nitrogênio
(Universidade Federal de Santa Maria, 2018-11-30)
Since the antiquity in agriculture, yield increase has been conditioned by the use of new techniques derived from increasing man's knowledge. In recent farming is not different, that is, in times of precision farming these ...
Desempenho agronômico de cultivares de feijoeiro comum (Phaseolus vulgaris L.) em áreas com diferentes potenciais produtivos
(Universidade Federal de Santa Maria, 2018-08-31)
The management applied in the areas that have different potentials of grains yields has been one of the alternatives proposed by precision agriculture (PA). The objective of this study was to evaluate the agronomic performance ...
Parâmetros fitotécnicos e industriais de genótipos de sorgo sacarino na região central do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2014-02-21)
The sweet sorghum stands out as a viable option for ethanol production during the harvest period between the cane sugar, thus allowing the extension of the period of production of alcohol and greater use of hand labor and ...
Avaliação da sobreposição na semeadura do milho (Zea mays) utilizando uma semeadora de precisão
(Universidade Federal de Santa Maria, 2018-03-02)
The seeding process is one of the most important operations involved in the agricultural production system, and the quality of execution is a primordial factor for the success of the production. A common problem observed ...
Determinação da temperatura base, desempenho agronômico e correlação de componentes de rendimento em genótipos de cana-de-açúcar
(Universidade Federal de Santa Maria, 2015-02-09)
The sugarcane has great social and economic importance in Rio Grande do Sul, Central Depression, however lacks research that allow to expand the cultivation and improve the quality of their products. This thesis -has order ...
Redução do uso de água, rendimento e qualidade de grãos de dois cultivares de arroz irrigado em função de épocas de supressão da irrigação
(Universidade Federal de Santa Maria, 2014-02-24)
The irrigation of the rice crop is essential for good plant growth, assisting in achieving high grain yield levels. However, it results in large water volume used, thus the efficiency of water use is a major challenge to ...