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Influência da radiação solar e da temperatura do ar na produção de pepino em estufa plástica
(Universidade Federal de Santa Maria, 2004-07-15)
It was studied the influence of the variables global solar radiation and air temperature about the production of cucumber. It was used data of yield was studied was used data of production of each harvest along the ...
Estimativa da disponibilidade de fósforo para a cultura do arroz irrigado em solos do RS
(Universidade Federal de Santa Maria, 2004-12-17)
The evaluation of the available phosphorus (P) is hindered in lowland soils flooded for the rice cultivation, since the alternation in the oxidation and reduction conditions determine modifications in the dynamics of this ...
Simulação da necessidade de irrigação no estado do Rio Grande do Sul para compensar perdas por deficiência hídrica de milho, soja e feijão
(Universidade Federal de Santa Maria, 2004-02-27)
The temporal and spatial variability of the rainfall amount and its distribution is usually the major cause of agricultural yield losses. These variables are responsible for the oscillations in yields of Spring and Summer ...
Efeito do condicionamento fisiológico sobre o desempenho de sementes para produção de forragem hidropônica
(Universidade Federal de Santa Maria, 2004-05-07)
Seeds of high quality are necessary to produce grass in hydroponic system, nevertheless, often seeds have poor quality and are in low amount. The physiological performance has been improved by the use of pre-germination ...
Distribuição da variabilidade genética em populações naturais de baccharis trimera (less) dc. (carqueja) no sul do Brasil.
(Universidade Federal de Santa Maria, 2004-12-13)
Carqueja (Baccharis trimera) is a native plant from South America, occurs in several settings, it is highly employed in popular medicine, and has been explored under a grasping way. This study had the purpose of producing ...
Comportamento do sorgo granífero em função do manejo de nitrogênio
(Universidade Federal de Santa Maria, 2004-07-15)
The objective of this study was to define the adequate management of the nitrogen fertilization in the culture of grain sorghum, using as source the urea in soil of average texture. In the experiment conducted in 2001/02, ...
Avaliação sobre as causas do não associativismo entre agricultores familiares do município de Nova Palma, RS, Brasil
(Universidade Federal de Santa Maria, 2004-04-06)
A study was carried out to evaluate main reasons for family farmers of the
Municipio Nova Palma, RS, Brasil, that could explain their resistance to
participate in associations. The study characterizes the methodology
employed, ...
Ação extensionista e formação de capital social no projeto área piloto - RS
(Universidade Federal de Santa Maria, 2004-04-22)
Dinâmica da matéria orgânica em agroecossistemas submetidos a queima e manejos dos resíduos culturais
(Universidade Federal de Santa Maria, 2004-07-26)
The use of fire as pasture management has been object of intense argue, although it has many effects in soil and environment quality. In the ground, the most expressive effect occurs on the organic matter (OM), by combustion, ...
Doses, ambiente e forma de infecção causada por Fusarium solani f.sp. chrysanthemi em crisântemo (Dendranthema grandiflora) cv. calabria e seu controle por Trichoderma virens
(Universidade Federal de Santa Maria, 2004-06-29)
Fusarium wilt has been damaging the chrysanthemum crop in the central region of Rio Grande do Sul, especially in those cultivated in greenhouse. Four experiments were done with the objective of studying the effect of doses, ...