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Itens para a visualização no momento 31-40 of 74
Comportamento hidrológico de pequenas bacias hidrográficas com três espécies de Eucalyptus no bioma Pampa
(Universidade Federal de Santa Maria, 2019-02-27)
The establishment of Eucalyptus plantation in areas previously used for agriculture and livestock in the Pampa biome has generated questions about possible negative environmental impacts, mainly related to water consumption ...
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) ...
Acidificação de dejetos de suínos em compostagem automatizada: emissões gasosas de nitrogênio e resposta da alface à aplicação do composto no solo
(Universidade Federal de Santa Maria, 2014-08-29)
Automated pig slurry (PS) composting has been praised in Brazil by environmental agencies, pig farmers and agribusinesses as a promising strategy for the proper disposal of these residues. Nevertheless, one of the problems ...
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 ...
Fertilização nitrogenada à dose variada na cultura do milho
(Universidade Federal de Santa Maria, 2014-02-25)
Maize is the main cereal produced in Brazil, being highly responsive to nitrogen fertilization, since the tropical and subtropical soils presents insufficient availability of nitrogen (N) to attend the culture demand in ...
Distribuição espacial de plantas na fileira e sua relação com a produtividade da cultura do milho
(Universidade Federal de Santa Maria, 2015-01-12)
Decreased variability in the distribution of plants on line and increased nitrogen fertilization efficiency are important order management for high yields in corn. The objective of this study was to evaluate the quality ...
Emissões de dióxido de carbono durante a implantação de culturas em dois sistemas de preparo em latossolo vermelho do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2011-12-19)
In farming systems with annual crops, the crop establishment period is characterized by intense soil disturbance in conventional tillage (CT) or disturbance only in the sowing line, in case of no-tillage (NT). The soil ...
Destino do carbono de raízes e parte aéreas de culturas de inverno enriquecidas com 13C em solo sob plantio direto
(Universidade Federal de Santa Maria, 2015-09-28)
Little is known about the decomposition and stabilization of shoots and intact roots derived carbon (C)
under no-tillage (no-till) field conditions. The present study was designed with following objectives:
1) evaluation ...
Produção de quitinases e biossurfactantes fúngicos por processos fermentativos
(Universidade Federal de Santa Maria, 2017-05-29)
Brazil's agricultural growth is based on the use of large quantities of synthetic agrochemicals, which result in high production costs and environmental degradation. On the other hand, Brazil harbors the greatest biodiversity ...
Cobre em solos arenosos sob vinhedos e resposta bioquímica-fisiológica de videiras em produção
(Universidade Federal de Santa Maria, 2012-12-20)
The use of Cu-based fungicides in the cultivation of grapevines for controlling fungal diseases
results in excessive accumulation of Cu in soils, which may cause nutritional problems to
plants. The present work aimed to ...