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Reação de germoplasma de soja à Colletotrichum truncatum e Corynespora cassiicola
(Universidade Federal de Santa Maria, 2020-08-07)
Soybean culture in Brazil is attacked by several diseases that make it difficult to obtain high yields, especially anthracnose (Colletotrichum truncatum) and target spot (Corynespora cassiicola) because they are diseases ...
Trocas gasosas, crescimento e resposta bioquímica de cultivares de soja submetidas ao déficit hídrico no solo
(Universidade Federal de Santa Maria, 2020-02-17)
This work aimed to evaluate the gas exchange, growth and biochemical activity of soybean cultivars submitted to water deficit in the soil, represented by fraction of transpirable soil water (FTSW). Three experiments were ...
Respostas agronômicas e morfofisiológicas do girassol ao déficit e excesso hídrico em dois solos
(Universidade Federal de Santa Maria, 2016-01-29)
Soil water availability is one of the major factors affecting the success or failure of an agricultural crop. Stresses caused by water deficit or surplus are harmful to the growth and sunflower yield. Plant growth pattern ...
Probabilidade de ocorrência de deficiência hídrica na cultura do girassol na região central do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2012-03-09)
In Brazil over recent years the interest increased on the sunflower cultivation. Sunflower yield can be
decreased by water deficit. To solve this problem, is necessary to calculate the probable water deficit
in critical ...
Microbiota do solo em três sistemas de cultivo de citros e patogenicidade de Fusarium spp.
(Universidade Federal de Santa Maria, 2017-07-28)
Different production systems utilize management techniques that seek to supply nutritional needs, together with the control of pests and diseases that are harmful to plants. However, some of these techniques can be harmful ...
Identificação de plintita e/ou resíduo de saprolito em solos com elevado gradiente textural
(Universidade Federal de Santa Maria, 2022-03-22)
The identification of mottles such as plinthite and saprolite residue in the soil can be considered a difficult task, both in the field and in the laboratory. The incorrect identification of these redoximorphic features ...
Fungos micorrízicos arbusculares e Azospirillum brasilense no desenvolvimento de sorgo e milho cultivados em solo contaminado com cobre
(Universidade Federal de Santa Maria, 2022-06-23)
Copper is an essential element for the development of vegetables, but in excess it becomes a major problem for the environment. Some plants are able to tolerate abiotic stresses, including those caused by copper and other ...
Governança na cadeia produtiva do leite no Alto Uruguai Catarinense: um estudo de caso
(Universidade Federal de Santa Maria, 2010-08-31)
This study aimed to describe and analyze the key business processes by the small-scale dairies in the region of Alto Uruguai Catarinense and characterize the governance structure adopted in the coordination of their chains. ...
Modelagem da curva de compressão e da pressão de preconsolidação do solo
(Universidade Federal de Santa Maria, 2012-08-24)
The preconsolidation pressure (σp) is obtained from the curve of the soil compression visual graphical form, mathematical or associating both and is an estimate of its load-bearing capacity. In order to remove the subjectivity ...
Tratamento de sementes de alface, milho, soja e feijão com os elementos terras raras cério e lantânio
(Universidade Federal de Santa Maria, 2009-02-28)
Rare earth elements, or lanthanides, are commonly applied to plants at Chinese agriculture, as fertilizers. Brazil doesn t have any appointment of it utilization in agriculture. Experiments were conduced to evaluate effects ...