Co2 and irrigation in relation to yield and water use of the bell pepper crop

Rezende, Fátima Conceição; Frizzone, José Antônio; Oliveira, Ricardo Ferraz de; Pereira, Anderson Soares

doi:10.1590/s0103-90162003000100002

Cited by 13 publications

(8 citation statements)

References 23 publications

(12 reference statements)

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“…Dorji et al (2005) reported that total fruit number per plant and total FW of fruit were reduced by more than 20% and 37% in deficit irrigation, respectively, compared with the control. Similarly, our results are in agreement with the findings of Antony and Singandhupe (2004), Cantore et al (2000), Delfine et al (2000), Della Costa and Gianquinto (2002), Rezende et al (2003), and Techawongstein et al (1992).…”

Section: Discussionsupporting

confidence: 94%

Deficit Irrigation Affects Growth, Yield, Vitamin C Content, and Irrigation Water Use Efficiency of Hot Pepper Grown in Soilless Culture

Ahmed¹,

Yu²,

Yang³

et al. 2014

horts

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Hot pepper (Capsicum annuum cv. Battle) was grown in a 1:1 v/v sand-to-cotton stalk compost and subjected to four irrigation treatments: 100% of water-holding capacity (control) and 85%, 70%, and 55% of water-holding capacity, which were considered deficit irrigation treatments. All treatments were given to the plants at the first day of transplanting and continued during the whole growing season. Our results demonstrated that deficit irrigation had a negative effect on plant growth and yield. Increasing irrigation deficiency exhibited a reduction in vegetative growth, fruit parameters, and yield and a nonsignificant increase in irrigation water use efficiency and a corresponding reduction in the amount of irrigation water. Vitamin C content in fruit was significantly decreased by deficit irrigation treatments at various ripening stages. Water-holding capacity of 100% and 85%, respectively, resulted in the highest content of vitamin C obtained at the ripening stage. We concluded that ‘Battle’ hot pepper is sensitive to deficit irrigation. Supplying this cultivar with water at 85% of water-holding capacity could be a practical irrigation technique for high value of vitamin C production as well as saving a large amount of water, which outweighs the decrease in total fresh yield of fruit, especially in areas suffering from water shortage.

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Section: Discussionsupporting

confidence: 94%

Deficit Irrigation Affects Growth, Yield, Vitamin C Content, and Irrigation Water Use Efficiency of Hot Pepper Grown in Soilless Culture

Ahmed¹,

Yu²,

Yang³

et al. 2014

horts

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“…O aumento na produtividade como conseqüência da irrigação com água carbonatada e uso de cobertura plástica coincide com outros estudos realizados sobre pepino, tomate, melão, pimentão e alface (BRANCO et al 2007;CARARO, 2000;FURLAN et. al., 2001;FURLAN et al, 2002;GOMES et al, 2005;GURI et al, 1999;IBRAHIM, 1992;PINTO et al, 2001;REZENDE et al, 2003e TAMAGI et al, 2007. O aumento observado na área foliar é evidência dos efeitos causados pelo uso de CO 2 e cobertura plástica, que propiciaram aumento do número de frutos pela maior produção de fotoassimilados.…”

Section: Resultsunclassified

“…Furlan et al(2002) observaram o aumento no rendimento de pimentão de 51,3% com aplicação de CO 2 via água de irrigação. Rezende et al (2003) observaram que o CO 2 promoveu o aumento da massa fresca e não do número de frutos de pimentão. Para alface em ambiente protegido, Furlan et.…”

Section: Introductionunclassified

Influência do CO2 via água de irrigação e da cobertura plástica no solo na Abobrinha

Araújo¹,

Botrel²

2010

Rev. Ciênc. Agron.

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Resumo -O experimento foi realizado em Piracicaba, SP, com o objetivo de avaliar os efeitos de doses de CO 2 aplicadas via água de irrigação associadas ou não a cobertura plástica do solo na produção da abobrinha cultivada em campo aberto. O delineamento foi em blocos completos ao acaso, em esquema de parcelas subdivididas, com o fator CO 2 na parcela e o fator cobertura nas subparcelas. Os tratamentos foram constituídos das seguintes doses de CO 2 aplicados via água de irrigação: 0; 59; 148 e 274 kg ha -1 de CO 2 . O sistema de irrigação foi por gotejamento com reposição diária de água, baseada no tanque classe A. As variáveis analisadas foram: área foliar por planta (cm 2 ), número de frutos por planta e produtividade (kg ha -1 ). A interação entre os fatores doses de CO 2 e a cobertura do solo apresentaram efeito significativo sobre as variáveis analisadas. A maior produtividade de abobrinha foi de 15.433 kg ha -1 obtida com o uso de 58,6 kg ha -1 de CO 2 associado à cobertura plástica. Palavras-chave -Cucúrbita pepo L.. Dióxido de carbono. Irrigação por gotejamento. Mulch.Abstract -The experiment was carried out in Piracicaba, SP, in order to evaluate the effects of different carbon dioxide levels applied with irrigation water, associated or not to the mulch plastic, on yield of summer squash. The experimental design was in random blocks in split plot design, with the factor levels of CO 2 in the plot and the mulch plastic in split-plot. The treatments constituted on the following levels: 0; 59; 148 and 247 kg ha -1 of CO 2 . The irrigation was scheduled daily based on a tank class A, using a drip irrigation system. The leaf area, the number of fruit and the yield were evaluated. The levels of CO 2 and mulch plastic influenced the leaf area; consequently, it provided increment in the number of fruit and yield of summer squash. The best yield of 15, 433 kg ha -1 was obtained by 58.6 kg ha -1 of CO 2 with the plastic mulch.

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“…It can be also inferred that a significant decrease in rice phenology can influence the water demand and reduce the rice yield. Moreover, the higher precipitation and higher CO 2 concentration were associated with an increase in yield; otherwise, temperature change (Figure 2a,b) would reduce the rice yield [58,59].…”

Section: Discussionmentioning

confidence: 97%

Predicting the Water Requirement for Rice Production as Affected by Projected Climate Change in Bihar, India

Jha

Kalita

Cooke

et al. 2020

Water

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Climate change is a well-known phenomenon all over the globe. The influence of projected climate change on agricultural production, either positive or negative, can be assessed for various locations. The present study was conducted to investigate the impact of projected climate change on rice’s production, water demand and phenology for the state of Bihar, India. Furthermore, this study assessed the irrigation water requirement to increase the rice production by 60%, for the existing current climate scenario and all the four IPCC climate change scenarios (RCP 2.6, RCP 4.5, RCP 6.0 and RCP 8.5) by the 2050s (2050–2059). Various management practices were used as adaptation methods to analyze the requirement of irrigation water for a 60% increase in rice production. The climate data obtained from the four General Circulation Models (GCMs) (bcc_csm1.1, csiro_mk3_6_0, ipsl_cm5a_mr and miroc_miroc5) were used in the crop growth model, with the Decision Support System for Agrotechnology Transfer (DSSAT) used to simulate the rice yield, phenological days and water demand under all four climate change scenarios. The results obtained from the CERES-Rice model in the DSSAT, corresponding to all four GCMs, were ensembled together to obtain the overall change in yield, phenology and water demand for the 10 years from 2020 to 2059. We investigated several strategies: increasing the rice yield by 60% with current agronomic practice; increasing the yield by 60% with conservation agricultural practice; and increasing the rice yield by 30% with current agronomic practice as well as with conservation agricultural practices (assuming that the other 30% increase in yield would be achieved by reducing post-harvest losses by 30%). The average increase in precipitation between 2020 and 2059 was observed to be 5.23%, 13.96%, 9.30% and 9.29%, respectively, for RCP 2.6, RCP 4.5, RCP 6.0 and RCP 8.5. The decrease in yield during the 2050s, from the baseline period (1980–2004), was observed to be 2.94%, 3.87%, 4.02% and 5.84% for RCP 2.6, RCP 4.5, RCP 6.0 and RCP 8.5, respectively. The irrigation requirement was predicted to increase by a range of 39% to 45% for a 60% increase in yield using the current agronomic practice in the current climate scenario by the 2050s, for all four climate change scenarios from the baseline period (1980–2004). We found that if we combine both conservation agriculture and removal of 30% of the post-harvest losses, the irrigation requirement would be reduced by 26% (45 to 19%), 20% (44 to 24%), 21% (43 to 22%), 22% (39 to 17%) and 20% (41 to 21%) with the current climate scenarios, namely, the RCP 2.6, RCP 4.5, RCP 6.0 and RCP 8.5 conditions, respectively. This combination of conservation practices suggests that the irrigation water requirement can be reduced by a large percentage, even if we produce 60% more food under the projected climate change conditions.

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Co2 and irrigation in relation to yield and water use of the bell pepper crop

Cited by 13 publications

References 23 publications

Deficit Irrigation Affects Growth, Yield, Vitamin C Content, and Irrigation Water Use Efficiency of Hot Pepper Grown in Soilless Culture

Deficit Irrigation Affects Growth, Yield, Vitamin C Content, and Irrigation Water Use Efficiency of Hot Pepper Grown in Soilless Culture

Influência do CO2 via água de irrigação e da cobertura plástica no solo na Abobrinha

Predicting the Water Requirement for Rice Production as Affected by Projected Climate Change in Bihar, India

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