Buscar
Itens para a visualização no momento 11-20 of 29
Modelagem matemática do escoamento superficial na escala de encosta sob plantio direto
(Universidade Federal de Santa Maria, 2017-02-24)
The runoff generation over fields with no-tillage agriculture management remains being a problem with environment, social and economic impacts. The purpose of this research was evaluate the capacity of a physic based and ...
Caracterização de biocarvões derivados de diferentes dejetos animais e resíduos das culturas e seu uso em cultivos de grãos
(Universidade Federal de Santa Maria, 2019-01-25)
In near future the disposal of organic wastes may be a serious problem in Southern Brazil as the region has
plentiful amounts of animal farms and crop production. Preparing biochar can be a strategy to dispose off ...
Atributos físicos e mecânicos de um latossolo conduzido sob diferentes sistemas de manejo
(Universidade Federal de Santa Maria, 2020-02-20)
The soil quality physical has great importance in the development of roots of the plants, therefore
areas under no-tillage can present compaction problems result loss to crops grown in these areas.
Machine traffic is ...
Emissão de amônia e dinâmica do nitrogênio no solo com parcelamento da dose e adição de inibidor de nitrificação em dejetos de suínos
(Universidade Federal de Santa Maria, 2012-04-27)
Pig Slurry (PS) is used mainly as a fertilizer for crops in southern Brazil where the
predominant soil management is in no-tillage. Thus, the application of manure on the soil
surface can increase losses of nitrogen (N) ...
Plantas de cobertura de solo consorciadas e em cultivo solteiro: Decomposição e fornecimento de nitrogênio ao milho
(Universidade Federal de Santa Maria, 2010-02-26)
No-tillage system is a soil management practice which predominates in the agricultural fields of Rio Grande do Sul Plateau. For its success, is essential the permanent vegetal soil cover maintenance and an adequate crop ...
Avaliação e modelização da dinâmica de carbono e nitrogênio em solo com o uso de dejetos de suínos
(Universidade Federal de Santa Maria, 2005-02-28)
The managedment of the pig manure, in the slurry or solid form (deep bedding), and how it is applied to the soil, in the surface or incorporated, must affect the dynamics of the C and the N in the soil. The objectives of ...
Eficiência de uso do nitrogênio por gramíneas em função do modo de aplicação de dejetos suínos no solo e do uso de inibidor de nitrificação
(Universidade Federal de Santa Maria, 2016-04-01)
The effect of pig slurry (PS) injection into the soil and nitrification inhibitor use such as dicyandiamide (DCD) on gaseous N losses to the atmosphere is better documented than the effect of these practices on nitrogen ...
Ciclagem de nutrientes e produtividade de grãos em sucessões de culturas sob sistema plantio direto
(Universidade Federal de Santa Maria, 2008-06-27)
The no-tillage adoption combined with the presence of crop residues on soil surface and minimum soil disturbance increase the soil organic matter content, that
associated with broadcast fertilization, change the nutrient ...
Balanço e evolução temporal de fósforo e potássio em três solos sob sistema plantio direto no Paraguai
(Universidade Federal de Santa Maria, 2010-02-26)
Soybean, corn and wheat crops occupy actually 70% of the agricultural areas of Paraguay, with increasing fertilization consumption, suggesting the necessity of an
efficient use of this input. The objectives of this work ...
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 ...