Eficiência do uso da água pelo meloeiro sob diferentes freqüências de irrigação

Sousa, V. F. de; Coelho, E. F.; Andrade, A. S. de; Folegatti, Marcos Vinícius; Frizzone, José Antônio

doi:10.1590/s1415-43662000000200009

Cited by 28 publications

(33 citation statements)

References 15 publications

(22 reference statements)

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“…This limit is related to the increase in evapotranspiration and percolation of excess water resulting from the soil sandy texture. These results differ from those found by Sousa et al (2008) Water use efficiency (WE) of chamomile subjected to different irrigation rates (150,100,75,50,25 and 0% of the ETo), organic fertilizers (cattle and poultry manure) and fertilizer rates (3 kg m -2 -a1 and b1; and 5 kg m -2 -a2 and b2).…”

Section: Resultscontrasting

confidence: 87%

Chamomile Production Using Supplementary Irrigation and Organic Fertilization in Sandy Soils

2016

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-The use of medicinal plants in the herbal medicine of Brazilian Health System has intensified production and the need for developing efficient agricultural techniques that promote greater productivity of these species. The objective of this work was to evaluate the chamomile production at field conditions as a function of irrigation depths and organic fertilizer rates. The experiment was conducted in the Universidade do Oeste Paulista (Campus II experimental area), in Presidente Prudente, São Paulo State, Brazil. A triple factorial experimental design was used, consisting of irrigation rates (150, 100, 75, 50, 25 and 0% of the reference evapotranspiration -ETo), organic manure types (poultry and cattle manure) and manure rates (0, 3 and 5 kg m -2 ), with four replications. The capitula production per plant, capitula dry weight and yield per water input (water use efficiency) were evaluated. The supplementary irrigation combined with organic manure fertilization provided the highest capitula yield for chamomile crop in the Presidente Prudente region. The combination of poultry manure at rate of 5 kg m -2 with water depth equal to 150% of the ETo resulted in higher average values of capitula fresh and dry weight and water use efficiency. Keywords:Chamomilla recutita (L.) Rauschert. Medicinal plant. Water stress. Irrigation management. PRODUÇÃO DA CAMOMILA COM O USO DE IRRIGAÇÃO SUPLEMENTAR E ADUBAÇÃO ORGÂNICA EM SOLO ARENOSORESUMO -A utilização de plantas medicinais na fitoterapia do Sistema Único de Saúde no Brasil tem intensificado o cultivo e a necessidade de desenvolvimento de técnicas agronômicas eficientes para promover maior produtividade destas espécies. O objetivo do presente trabalho foi avaliar a produção da camomila a campo em função de lâminas de irrigação e doses de adubo orgânico. O ensaio foi conduzido em área experimental do campus II, da Universidade do Oeste Paulista, na cidade de Presidente Prudente -SP, Brasil. O delineamento experimental foi em esquema fatorial triplo, sendo composto por lâminas de irrigação (150, 100, 75, 50, 25 e 0% da evapotranspiração de referência -ETo), tipos de adubo orgânico (esterco de aves e esterco bovino curtido) e doses do adubo (0, 3 e 5 kg m -2 ), em quatro repetições. Foram avaliadas a produção de capítulos florais por planta, a massas seca dos capítulos florais e a produtividade da água. Para a região de Presidente Prudente, a irrigação suplementar combinada à adubação orgânica, proporcionaram maior produção de capítulos florais. A combinação de esterco de aves na dose de 5 kg m -2 à lâmina de 150% ETo resultou em maiores valores médios de massa fresca e seca de capítulos florais e produtividade da água. Palavras-chave:Chamomilla recutita (L.) Rauschert. Planta medicinal. Estresse hídrico. Manejo de irrigação.

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Section: Resultscontrasting

confidence: 87%

Chamomile Production Using Supplementary Irrigation and Organic Fertilization in Sandy Soils

2016

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“…The following WUE values were observed in some fruitproducing species: tomato, 12.5 kg m -3 ; watermelon, 24.3 kg m -3 (Morais et al, 2008) and melon, 30.0 kg m -3 (Sousa et al, 2000); tuberous roots, such as sweet potato, may reach 20.0 kg m -3 (Mantovani et al, 2013). Silva & Queiroz (2013) studied lettuce and observed WUE of 14.1 kg m -3 .…”

Section: Resultsmentioning

confidence: 97%

Yield components and water use efficiency in coriander under irrigation and nitrogen fertilization

Angeli

Delazari

Nick

et al. 2016

Rev. bras. eng. agríc. ambient.

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A B S T R A C TAmong the determining factors of yield, nitrogen (N) fertilization and the correct supply of water play an important role in the quality and yield aspects of coriander. Therefore, the aim of this study was to evaluate the yield components and the water use efficiency (WUE) in coriander subjected to different depths and N doses. A completely randomized design in split plot was used. Water depths were applied in the plots at the rates of 25, 50, 75, 100 and 125% of the Required Real Irrigation (RRI). N doses were distributed within the subplots at the following proportions: 50, 100 and 150% of the recommendation for the crop (70 kg ha -1 ). The N dose of 94 kg ha -1 and irrigation depth of 115% of RRI promoted the greatest yield (29.0 t ha -1 ) and number of bunches (29 bunches m -2 ). The highest number of leaves per plant was obtained with the N dose of 103.2 kg ha -1 and irrigation depth of 68% of the RRI. The maximum plant height (43 cm) was obtained with N dose of 105 kg ha -1 and irrigation depth of 121% of RRI. The highest WUE in coriander (71 kg m -3 ) occurred at the irrigation depth of 26% of RRI and N dose of 105 kg ha -1 .Componentes de produção e eficiência do uso d'água em coentro sob irrigação e adubação nitrogenada R E S U M O Dentre os fatores determinantes da produção a adubação nitrogenada e o suprimento adequado de água desempenham papel importante nos aspectos de qualidade e de produção do coentro. Portanto, objetivou-se avaliar os componentes de produção e a eficiência do uso da água (EUA) do coentro quando submetido a diferentes lâminas de irrigação e doses de nitrogênio. Foi empregado o delineamento inteiramente casualizado em esquema de parcelas subdivididas. As lâminas de irrigação foram aplicadas nas parcelas nos níveis: 25, 50, 75, 100 e 125% da Irrigação Real Necessária (IRN). Já as doses de nitrogênio foram distribuídas dentro das subparcelas nas seguintes proporções: 50, 100 e 150% da recomendação para a cultura (70 kg ha -1 ). A dose de nitrogênio e a lâmina de água que proporcionaram a maior produtividade e número de molhos foram de 94 kg ha -1 e 115% da IRN, resultando em 29,0 t ha -1 e 29 molhos m -2 . O maior número de folhas por planta foi obtido com a dose de 103,2 kg ha -1 de N e 68% da IRN. A altura máxima alcançada foi de 43 cm, com 105 kg ha -1 de N e 121% IRN. A maior EUA no coentro ocorreu para a lâmina de irrigação de 26% da IRN e a dose de nitrogênio de 105 kg ha -1 , o que resultou em uma EUA de 71 kg m -3 .

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“…Table 2 shows that the reduction in water evapo transpiration depth (consumed) promoted proportional loss on productivity which explains the similarity in the water efficiency use for these treatments. SOUSA et al, (2000), studying WEU on melon crop under different irrigation frequencies in the field , obtained estimated values of 28.283 kg m -3 . Similar results were observed by PIRES et al, (2013) and tensiometry, respectively.…”

Section: Resultsmentioning

confidence: 99%

Gália Melons Production in Protected Environment Under Different Irrigation Depths

et al. 2017

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ABSTRACT:The study aimed to evaluate the "Gália" melons productive characteristics grown in greenhouse under different irrigation levels, and conducted with and without soil cover by plastic mulching. Experiments I (WC) and II (WtC) were conducted simultaneously in a protected environment, using a completely randomized design (CRD), where plants of Gália melons (Hybrid Nectar cv.) received five levels of water depth defined by 50, 75, 100, 125 and 150% of evapotranspiration (water requirement), with four replications, differing only by utilization (WC) or not (WtC) of plastic mulching. The results showed that the variables productivity, average weight, length and diameter of the fruits were affected by different levels of water replacement in the soil regardless the use or not of the soil cover. The largest reductions in productivity 46.32 and 32.03% were observed for the treatment of 50%, compared to the treatment of 100% for experiments I (WtC) and II (WC), respectively.

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Eficiência do uso da água pelo meloeiro sob diferentes freqüências de irrigação

Cited by 28 publications

References 15 publications

Chamomile Production Using Supplementary Irrigation and Organic Fertilization in Sandy Soils

Chamomile Production Using Supplementary Irrigation and Organic Fertilization in Sandy Soils

Yield components and water use efficiency in coriander under irrigation and nitrogen fertilization

Gália Melons Production in Protected Environment Under Different Irrigation Depths

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