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Inoculação com azospirillum brasilense em milho na integração lavoura-pecuária e a relação com as doses de nitrogênio e umidade do solo e ph s em solução
(Universidade Federal de Santa Maria, 2016-08-10)
Continuous use of fertilizer in high concentrations has been raising concerns on environmental pollution associated with the modernization and specialization of agricultural production and livestock systems. With this, ...
Composição bioquímica e decomposição da parte aérea e raízes de culturas comerciais e plantas de cobertura de solo
(Universidade Federal de Santa Maria, 2010-02-26)
Crop residues (CR) composed by shoots and roots of plants are the main source of C for the agricultural soils. During the decomposition of these CR in the soil, part of C is evolved as CO2 and nutrients are mineralized, ...
Inoculação com azospirillum brasilense e adubação nitrogenada em cultivares de trigo
(Universidade Federal de Santa Maria, 2015-02-27)
Wheat (Triticum aestivum) is the second largest world production of grains, with
great importance in food and feed. It needs more technologies that provide
productivity increases at low cost. A newly available technology ...
Adubação nitrogenada em videiras jovens e em produção
(Universidade Federal de Santa Maria, 2014-02-27)
In the Campanha Gaúcha from Rio Grande do Sul State (RS), vines has been cultivated under
sandy soils with low organic matter content; therefore they have a low nitrogen (N) supply
capacity and inputs of N fertilizers are ...
Inoculação com azospirillum brasilense, manejo de pastejo e nitrogênio em integração lavoura-pecuária
(Universidade Federal de Santa Maria, 2015-02-27)
This thesis presents results of an experiment with crop-livestock integration in two growing
seasons (2012/2013 and 2013/2014). In cold seasons was used pasture formed by the mixture
of black and annual ryegrass grazed ...
Manejo de fungicidas e nitrogênio em trigo e seus efeitos na produtividade e qualidade de grãos
(Universidade Federal de Santa Maria, 2010-12-10)
The wheat crop is severely attacked by diseases, which significantly reduce its profitability. The diseases reduce not only productivity but also quality, factor that is essential for the actual economic culture viability. ...
Produção de pastagens de trigo e azevém com diferentes doses de adubação nitrogenada em cobertura
(Universidade Federal de Santa Maria, 2018-08-31)
With the need to increase world food production, motivated by population growth, and better use of arable land, it is important to increase productivity and land use, which is a high cost. The objective of this study was ...
Volatilização de amônia dos dejetos líquidos de suínos aplicados em plantio direto: quantificação e estratégias de mitigação
(Universidade Federal de Santa Maria, 2017-07-31)
Ammonia volatilization is the primary cause of nitrogen loss from liquid pig slurry (PS). To measure this physical-chemical process and establish strategies for its mitigation is crucial to decrease environmental and ...
Gradiente vertical de decomposição e dinâmica da água no mulch de cana-de-açúcar afetados pela quantidade de palha
(Universidade Federal de Santa Maria, 2018-07-30)
The partial removal of sugarcane straw (Saccharum spp. L.) from the soil surface after mechanized harvesting for the production of cellulosic ethanol leaves different mulch thicknesses at the soil surface. Thus, the need ...
Índices de vegetação obtidos por sensor proximal e embarcado em aeronave remotamente pilotada e sua relação com a produtividade do milho
(Universidade Federal de Santa Maria, 2019-07-15)
Different vegetation indices (IVs) have been used as a tool to evaluate plant biophysical parameters. Among these, we highlight the success of NDVI in the evaluation of nitrogen nutritional status (N) in maize, wheat, ...