Hydric Deficiency
Mostrando 1-10 de 10 artigos, teses e dissertações.
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1. Respostas funcionais foliares de plantas jovens de Hevea brasiliensis submetidas à deficiência hídrica e à reidratação
Resumo A deficiência hídrica é considerada um fator que produz danos significativos durante o período de estabelecimento e de crescimento dos plantios. O objetivo deste estudo foi investigar características morfofisiológicas e bioquímicas de folhas de mudas de seringueira em resposta à deficiência hídrica e, posterior, reidratação. Plantas jovens
Ciênc. Florest.. Publicado em: 02/12/2019
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2. Respostas agronômicas, bioquímicas e fisiológicas de variedades de cana-de-açúcar submetidas a estresse hídrico associado à nematoide de galhas.
The objective of the present study was to evaluate 1) the effect of hydric deficiency on growth of sugarcane varieties and implications of Meloidogyne incognita parasitism on plant response, 2) hydric relations and gaseous change in sugarcane varieties under both nematode parasitism and hydric deficit, 3) concentration of photosynthetic pigments and organic
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 05/03/2012
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3. Effects of hydric deficiency on gas exchange parameters and metabolism of Eucalyptus grandis clones
The metabolic effects caused by hydric deficiency (HD) on Eucalyptus grandis clones were assessed by an experiment where plants were cultivated in four blocks. The first was the control block, normally irrigated, whereas the other three blocks were submitted to cycles of hydric deficiency. Analysis of photosynthetic efficiency, enzymatic activity of antioxid
Brazilian Journal of Plant Physiology. Publicado em: 2011
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4. Indices-limite do clima para o cultivo da acerola.
Com base nos balancos hidricos climaticos, obtidos pelo metodo Thornthwaite & Mather (1955), para 125 mm de retencao de agua no solo, das regioes de origem e de cultivo comercial da acerola (Malpighia glabra L.), foram estabelecidos os indices-limite do clima para o cultivo da especie. Como fator termico, considerou-se a faixa de temperatura entre 25oC e 27o
Pesquisa Agropecuaria Brasileira. Publicado em: 2011
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5. Indices-limite do clima para o cultivo da acerola.
Com base nos balancos hidricos climaticos, obtidos pelo metodo de Thornthwaite & Mather (1955), para 125 mm de retencao de agua no solo, das regioes de origem e de cultivo comercial da acerola (Malpighia glabra L.) foram estabelecidos os indices-limite do clima para o cultivo da especie. Como fator termico, considerou-se a faixa de temperatura entre 25.C e 2
Pesquisa Agropecuaria Brasileira. Publicado em: 2011
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6. Estrutura, estratificação e grupos ecológicos de um fragmento de floresta estacional semidecidual (Uberaba, MG)
Seasonal semideciduous forests (FES) occur in patches mainly in the region of the Cerrado of central Brazil, had occupied a expressive area throughout Minas Gerais state. These formations generally occur on fertile and humid soil, characterized for the climatic changes that determines the seasonal deciduousness of the dominant tree individuals, in reply the
Publicado em: 2009
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7. MARIGOLD GROWTH AND FLAVONOIDS PRODUCTION IN DIFFERENT SOWING DATES AND HYDRIC SUPPLY / CRESCIMENTO DE CALÊNDULA E PRODUÇÃO DE FLAVONÓIDES EM DIFERENTES ÉPOCAS DE SEMEADURA E SUPRIMENTO HÍDRICO
The cultivation of medicinal plants, like marigold, is increasing in Brazil and is an alternative for cultivation in small areas. For this reason it is important to know about its bioclimatic requirements and its phenometric characteristics in order to obtain maximum quality and yield. Thus, the main goals of this work were: evaluate the effect of temperatur
Publicado em: 2007
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8. Sthocastic model to estimate the soybean productivity in the State of São Paulo through bivaried normal simulation / Modelo estocástico para estimação da produtividade de soja no Estado de São Paulo utilizando simulação normal bivariada
The availability of resources, as much of financial order and human labor, is scarse. Therefore, it must stimulates the regional planning that minimizes the use of resources. Then, the forecast of harvests through modelling techniques must previously on the basis of be carried through the regional characteristics, thus indicating the routes of the research,
Publicado em: 2007
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9. Desenvolvimento de mudas de cafeeiro cultivadas em tubetes e submetidas a diferentes níveis de déficit hídrico / Development of coffee seedlings cultivated in plastic tubes and submitted at different levels of hydric deficit
Coffee production is a very important activity in the socioeconomic context in Brazil, which makes billion of dollars go around the economy every year generating thousands of direct and indirect jobs. The success in the coffee production depends on the observation of several needs, among others the choice of healthy and vigorous seedlings with good genetic p
Publicado em: 2007
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10. Evaluation of land productivity convergence in brazilian agriculture time period from 1960 to 2001. / Avaliação do processo de convergência da produtividade da terra na agricultura brasileira no período de 1960 a 2001.
This work analyzed the behavior of land productivity in the Brazilian agriculture, evaluating if there is or not convergence in the evolution of this variable. The analysis is taken in the time period from 1960 to 2001 and also in some sub-periods of these 42 years, more precisely, the sub-periods of 1970-2001, 1975-2001 and 1980- 2001. The convergence is a
Publicado em: 2005