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Itens para a visualização no momento 11-16 of 16
Agricultura por ambiente: manejo sítio específico da população de milho
(Universidade Federal de Santa Maria, 2012-02-24)
Precision agriculture (PA) is based on site-specific interventions, according to the spatial variability of productive factors. This strategy tends to decrease the spatial variability of yield in relation to that obtained ...
Controle do escoamento superficial e das perdas de solo em sistema plantio direto na escala de lavoura
(Universidade Federal de Santa Maria, 2016-07-29)
The evidence of the formation of surface flow and associated processes such as erosion, transfer of solutes, organic matter and nutrients, are the consequences of soil management not contributing to the maintenance of soil ...
Eficiência do calcário calcítico e dolomítico na correção da acidez de solo sob plantio direto
(Universidade Federal de Santa Maria, 2007-02-23)
Liming is used to decrease soil acidity and increase exchangeable calcium and magnesium levels, but it may impaired calcium and magnesium ratios with continuous use of dolomitic or calcitic lime. The aim of this work is ...
Potencial de ciclagem de nitrogênio e potássio pelo nabo forrageiro intercalar ao cultivo do milho e trigo sob plantio direto
(Universidade Federal de Santa Maria, 2004-05-26)
The best understanding of nutrients cycling by crops provides a clearer vision of the contribution of the plants in the accumulation and availability of nutrients in no -tillage. The hypothesis of this work is that the use ...
Atributos físicos do solo em sistemas de culturas sob plantio direto na integração lavoura-pecuária
(Universidade Federal de Santa Maria, 2005-04-30)
The integration between agriculture and cattle-raising has growing up in the last few years in Rio Grande do Sul state, Brazil. With the aim to evaluate the changes in some physical soil properties caused by different ...
Mineralização do carbono e do nitrogênio no solo com o uso de lodo de esgoto e palha de aveia
(Universidade Federal de Santa Maria, 2009-02-27)
The use of sewage sludge in the agricultural is an organic recycle alternative material in the soil. The CONAMA resolution 375/2006 indicates that in certain relief
condition the sewage sludge could be applied without ...