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Risco de ocorrência de excesso hídrico para a cultura do girassol na região central do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2014-02-21)
The approach to knowledge about the probabilities of water excess occurrence enables
the planning sunflower crop management, mainly about the sowing period. The objective of
this study was quantify and analyze the ...
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 ...
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 ...
Relação entre estratégias de crescimento, fotossíntese e uso de nitrogênio e fósforo por gramíneas forrageiras C4 nativas da América do Sul
(Universidade Federal de Santa Maria, 2017-08-09)
The aim of this thesis is to evaluate different species of native grasses from southern Brazil grasslands of contrasting in its specific leaf area (SLA) and leaf dry matter content (LDMC) traits, if species of higher SLA ...
Atmosfera controlada dinâmica monitorada pelo quociente respiratório: efeito do manejo do etileno, temperatura e níveis de CO2 sobre compostos voláteis e conservação de maçãs
(Universidade Federal de Santa Maria, 2015-06-12)
The decrease in oxygen levels during storage of apples in controlled atmosphere (CA)
reduces ethylene production, respiration rate and delay fruit ripening. Excessively low O2
levels induce the fermentative pathway, ...
Tamanho de ensaio de uniformidade para estimação do tamanho de parcela em hortaliças
(Universidade Federal de Santa Maria, 2014-05-16)
The aim of this work were determine the optimum plot size and the uniformity assay size for estimating the optimum plot size in order to evaluate the fresh fitomass of lettuce plants and the mass of fruits of pepper, tomato, ...
Variabilidade produtiva, tamanho de parcela e uso de bordaduras em experimentos com culturas olerícolas em ambiente protegido
(Universidade Federal de Santa Maria, 2016-07-22)
The work aimed to study the variability in protected environments cultivated with zucchini, lettuce, green bean, peppers and cherry tomatoes and test the use of borders and the handling of the plot size is effective in ...
Avaliação da qualidade de forragem hidropônica de centeio, cevada e ervilhaca
(Universidade Federal de Santa Maria, 2006-02-10)
It was carried an experiment, in the Fitotecnia Department of the Federal University of Santa Maria (UFSM) - RS, with objective to evaluate the nutritional quality of two species of grassy (Hordeum vulgare L. and Secale ...
Polímero e tratamento fitossanitário em sementes de soja e sua relação com a absorção de ingrediente ativo e desempenho em condições de estresse
(Universidade Federal de Santa Maria, 2022-08-12)
The use of high quality seeds is of fundamental importance for the correct establishment of
plants in the field, in which this will provide a greater guarantee for the producer. Lots with
inferior physiological quality ...