The Effect of Saline Irrigation Water on the Yield of Pepper: Experimental and Modelling Study

Rameshwaran, Ponnambalam; Tepe, A.; Yazar, Attila; Ragab, Ragab

doi:10.1002/ird.1867

Cited by 40 publications

(27 citation statements)

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“…Irrigating saline water can also result in salt accumulation in soil, leading to the decrease in yield and deterioration in soil resource [9,10]. In particular, under greenhouse conditions, the salinity problem is a critical constraint to vegetable production due to rapid accumulation of salts in soil [11,12].…”

Section: Introductionmentioning

confidence: 99%

“…Lee et al [16] quantified the impact of saline irrigation water on chrysanthemums in a greenhouse in Athens, Georgia. Rameshwaran et al [12] investigated effects of different irrigation regimes with salinity treatments using a drip irrigation system for two pepper varieties in the greenhouse in Antalya, Turkey. Feigin et al [17] tested the response of lettuce and Chinese cabbage to the combination of a wide range of salinity and potassium nitrate levels in the greenhouse using an aero-hydroponic system.…”

Section: Introductionmentioning

confidence: 99%

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Effects of Irrigation with Saline Water on Crop Growth and Yield in Greenhouse Cultivation

Kim

Jeong

Jeon

et al. 2016

Water

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Abstract:Since the salinity of irrigation water is a critical constraint to the production of certain vegetable crops, salinity has been considered as one of the most important factors of irrigation water. The objective of this study was to investigate the response of lettuce and Chinese cabbage to various salinity levels of irrigation water in greenhouse cultivation. A pot experiment was conducted with different salinities under a glasshouse condition in Korea. A completely randomized experimental design was used with three replications. The analysis results of crop growth and yield of lettuce and Chinese cabbage indicated that the factors that were more significantly affected by saline irrigation water were crop yields rather than crop components such as number of leaves, leaf length, and leaf width. In this study, the point of salt concentration during an increase in salinity levels of irrigation water (EC w ) at which yield starts to decline was determined to be 0.9 and 1.5 dS/m for lettuce and Chinese cabbage, respectively. Furthermore, the present study demonstrated that the continuous irrigation of saline water under greenhouse conditions could lead to a significant increase in electric conductivity (EC e ) level and Na + concentration in soil, as well as Na + concentration in leaves of crops.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effects of Irrigation with Saline Water on Crop Growth and Yield in Greenhouse Cultivation

Kim

Jeong

Jeon

et al. 2016

Water

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“…A 'plane flow' model involving the Cartesian coordinates x and z was also utilised: namely, a set of dripper sources at an equal distance (0.2 meters) and close enough to each other so that their wetting-fronts overlap shortly after starting the irrigation. Detailed procedures for this model set-up, calibration and validation are given in Rameshwaran et al (2013Rameshwaran et al ( , 2015a. …”

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confidence: 99%

Effects of drip-irrigation regimes with saline water on pepper productivity and soil salinity under greenhouse conditions

Rameshwaran

Tepe²,

Yazar

et al. 2016

Scientia Horticulturae

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Article (refereed) -postprint Rameshwaran, Ponnambalam; Tepe, Akin; Yazar, Attila; Ragab, Ragab. 2016. Effects of drip-irrigation regimes with saline water on pepper productivity and soil salinity under greenhouse conditions. Contact CEH NORA team at noraceh@ceh.ac.ukThe NERC and CEH trademarks and logos ('the Trademarks') are registered trademarks of NERC in the UK and other countries, and may not be used without the prior written consent of the Trademark owner. AbstractThe aim of this study was to investigate the response of sweet pepper (Capsicum annuum L.) to saline irrigation water and various irrigation regimes. The experiments were conducted in a greenhouse with two sweet pepper varieties (ONUR F1 and ADA F1) over two cropping seasons: Spring and Autumn on the Mediterranean coast at Antalya, Turkey. The irrigation regimes comprised four levels of Class A pan-evaporation and were applied using a drip irrigation system when evaporation reached a target value of around 10 mm. These four levels represented 0.50, 0.75, 1.00 and 1.25 of Class A panevaporation. In each irrigation regime the sweet pepper plants were exposed to four salinity treatments with electrical conductivities of 1.0, 2.5, 3.5 and 6.0 dS m -1 respectively. The study showed that both pepper varieties generally performed in a similar manner (except in terms of vegetative biomass production). The amount of salt accumulation within the root-zone was higher in Spring compared to Autumn; and therefore related to the total amount of irrigated water usage between seasons due to climatic variability. Increased salinity induced higher levels of salt accumulation within the pepper plant's root-zone, while an increased amount of saline irrigation water increased the size of the affected layer within the root-zone. Overall, an increased level of salinity alongside increased irrigation considerably depressed both vegetative growth and yield. Higher irrigation water productivities were attained with a regime comprising 0.50 of Class A pan-evaporation and which appeared to fulfil crop water requirements. It was found that sweet pepper varieties ONUR F1 and ADA F1 are moderately sensitive to salinity with a threshold value of 1.43 dS m -1 and a decreasing slope value of 11.1%.Although both seasons revealed a single salinity response function, there were considerable differences in the actual fresh pepper yield. This study demonstrates that for pepper crops irrigated with saline water (or grown on salt-affected soils), pepper growers must consider the salinity response function and seasonal productivity alongside an appropriate irrigation regime.Keywords: Capsicum annuum L.; class A pan-evaporation, modelling; sweet pepper varieties; salinity response function; salinity tolerance index, season; irrigation water productivity; yield. 2 IntroductionPepper (Capsicum annuum L.) is a high-value crop cultivated in many parts of the world (DeWitt and Bosland, 1993). In the Mediterranean basin, pepper crops are grown in greenhouses and often irrigated in salt-affect...

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“…Studies conducted by various authors have demonstrated that the reduction in fruit yield in bell pepper subjected to saline stress results from the decrease in the mean fruit weight and/or reduction in the number of fruits per plant (Arruda et al, 2011;Rubio et al, 2011;Rameshwaran et al, 2015), because fruits are the most sensitive organs to salinity (Azuma et al, 2010) due to the deleterious effects of saline stress on the increase of abortion rate, caused by the reduction in the number and viability of pollen grains (Ghanem et al, 2009).…”

Section: Resultsmentioning

confidence: 99%

Heterogeneous salinity in the root system of bell pepper in greenhouse

Oliveira

Alves

Bezerra

et al. 2018

Rev. bras. eng. agríc. ambient.

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A B S T R A C TThe split-root technique was used as a strategy to reduce saline stress on pepper. A completely randomized design with six treatments and four replicates was used. The treatments consisted of six saline water application strategies (T1 -salinized nutrient solution (S1 = 1.4 dS m ) throughout the cycle, T3 -S1 and S2 throughout the cycle, using two emitters and without splitting the root system, T4 -S1 and S2, using two emitters and splitting the root system by a plastic film, T5 -S1 and S2, using two emitters and splitting the root system, alternating the solutions every 15 days, T6 -S1 and S2, using two emitters and without splitting the root system, alternating the solutions every 15 days). Five fruit harvests were performed, and the plants were harvested at 85 days after initiation of treatments and evaluated for the following variables: leaf number, leaf area, plant height, stem diameter, shoot dry matter (stem + leaves + fruits), root dry matter, number of fruits, fresh fruit weight and fruit production per plant. Most of the variables were reduced by the salinity of irrigation water. The highest fruit yields were obtained using low-salinity water, with the mixture of non-saline and saline waters, and alternating biweekly when the root system was split, demonstrating the viability of these three techniques.Salinidade heterogênea no sistema radicular de pimentão em ambiente protegido R E S U M O A técnica de divisão do sistema radicular foi utilizada como estratégia para reduzir o estresse salino em pimentão. Utilizou-se o delineamento inteiramente casualizado com seis tratamentos e quatro repetições. Os tratamentos foram constituídos por seis estratégias de aplicação de água salina (T1 -solução nutritiva não salinizada (S1 = 1,4 dS m ) durante todo o ciclo; T3 -S1 e S2 durante todo o ciclo, utilizando dois emissores e sem divisão do sistema radicular; T4 -S1 e S2, utilizando dois emissores e divisão do sistema radicular por um filme plástico; T5 -S1 e S2, utilizando dois emissores com divisão do sistema radicular, alternando-se as águas a cada 15 dias; T6 -S1 e S2, utilizando dois emissores sem divisão do sistema radicular, alternando-se as águas a cada 15 dias). Foram realizadas cinco colheitas de frutos e as plantas foram coletadas aos 85 dias após início dos tratamentos, e avaliadas quanto às seguintes variáveis: número de folhas, área foliar, altura da planta, diâmetro do caule, massa seca parte aérea (caule + folhas + frutos) e de raiz, número de frutos, massa fresca de frutos e produção de frutos por planta. A maioria das variáveis foi reduzida pela salinidade da água de irrigação. Os maiores rendimentos de frutos foram obtidos com uso de água de baixa salinidade, com a mistura de águas não salinas e salinas, e com alternação quinzenal quando utilizando a divisão do sistema radicular, demonstrando a viabilidade destas três técnicas.

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The Effect of Saline Irrigation Water on the Yield of Pepper: Experimental and Modelling Study

Cited by 40 publications

References 17 publications

Effects of Irrigation with Saline Water on Crop Growth and Yield in Greenhouse Cultivation

Effects of Irrigation with Saline Water on Crop Growth and Yield in Greenhouse Cultivation

Effects of drip-irrigation regimes with saline water on pepper productivity and soil salinity under greenhouse conditions

Heterogeneous salinity in the root system of bell pepper in greenhouse

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