Water and nitrate movement in drip-irrigated onion under fertigation and irrigation treatments

Rajput, T. B. S.; Patel, Neelam

doi:10.1016/j.agwat.2005.03.009

Cited by 111 publications

(54 citation statements)

References 9 publications

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“…Marketable yield (A) and marketable mean diameter (B) of onion bulbs as a function of irrigation depths, in the presence (PM) and absence (AM) of mulch * Beginning with seedling transplantation; ** Kc previously fixed for stage I due to the use of acclimation irrigations with fixed interval of 1 day, as recommended by Costa et al (2002) and Marouelli et al (2005) maximum values of marketable yield. Water replacement to the soil lower than 100% ETc causes the crop to use more energy in water absorption, thus not using it for bulb filling (Rajput & Patel, 2006). Cultivation in covered soil with replacement of about 58.9% ETc (approximately 207 mm) led to marketable bulb yield (42.0 t ha -1 ) similar to that obtained in the cultivation in exposed soil with the application of 100% ETc (372.7 mm) (Figure 2A).…”

Section: Resultssupporting

confidence: 53%

Marketable yield of onion under different irrigation depths, with and without mulch

Carvalho

Ribeiro

Gomes

2018

Rev. bras. eng. agríc. ambient.

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A B S T R A C TThe objectives of this study were to obtain the onion crop coefficients and evaluate the influence of different irrigation depths (0, 22, 45, 75 and 100% of crop evapotranspiration) on marketable yield and quality of onion bulbs cultivated with and without mulch of elephant grass. The experiment was carried out in Seropédica, RJ, Brazil, from May to September 2012, in a Red Yellow Argisol. The experimental design was in randomized blocks in split plots, with 10 treatments and seven replicates. Irrigation management was performed through soil water balance using the Time Domain Reflectometry technique, with probes installed horizontally at 7.5 and 22.5 cm depths. The use of mulch allowed the application of smaller irrigation depths, leading to lower crop coefficient (18% in stage II and 3% in stage III) in comparison to the crop without mulch. Irrigation depths associated with the use of mulch influenced the evaluated production variables, proving to be an alternative to increase marketable yield and quality of onion bulbs, with lower irrigation depth.Produtividade comercial da cebola sob diferentes lâminas de irrigação, com e sem cobertura do solo R E S U M O Objetivou-se neste estudo obter os coeficientes de cultivo para a cultura da cebola e avaliar a influência de diferentes lâminas de irrigação (0, 22, 45, 75 e 100% da evapotranspiração da cultura) na produtividade comercial e na qualidade de bulbos de cebola, cultivada com e sem cobertura vegetal morta de capim-elefante no solo. O experimento foi realizado em Seropédica, RJ, Brasil, entre maio e setembro de 2012, em um Argissolo VermelhoAmarelo. O delineamento experimental adotado foi em blocos casualizados em parcelas subdivididas, com10 tratamentos e sete repetições. O manejo da irrigação foi realizado por meio do balanço de água no solo utilizando a técnica da Reflectometria no Domínio do Tempo, a partir de sondas instaladas horizontalmente a 7,5 e 22,5 cm de profundidade. A utilização da cobertura morta permitiu a aplicação de menores lâminas de irrigação, proporcionando coeficientes de cultivo inferiores (18% no estágio II e 3% no estágio III) ao cultivo sem cobertura do solo. A lâmina de irrigação associada ao uso da cobertura vegetal morta no solo influenciou as variáveis de produção avaliadas, demonstrando ser uma alternativa para elevar a produtividade comercial e a qualidade de bulbos de cebola com menor lâmina de irrigação.

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Section: Resultssupporting

confidence: 53%

Marketable yield of onion under different irrigation depths, with and without mulch

Carvalho

Ribeiro

Gomes

2018

Rev. bras. eng. agríc. ambient.

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“…The total irrigation water applied through surface and drip system was 840 mm and 520.45 mm indicating 39 per cent water saving whereas, field water use efficiency of drip fertigation was more by 2.5 times as that of control. Rajput and Patel (2006) recorded the highest onion yield in daily fertigation followed by alternate day fertigation.…”

Section: Chillimentioning

confidence: 99%

Drip Fertigation in Vegetable Crops for Enhancing Productivity and Resource Use Efficiency: An Overview

Priya¹,

Chinnusamy²,

Karthikeyan³

et al. 2017

Int.J.Curr.Microbiol.App.Sci

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“…Further, application of nutrients number of splits in drip fertiga- = Drip irrigation at 100% PE; I 2 = Drip irrigation at 75 % PE; I 3 = Drip irrigation at 50% PE; F 1 = 100% RDF through fertigation; F 2 = 75% RDF through fertigation, F 3 = 75% RDF through fertigation + 2 fpliar spray of 1% urea phosphate; F 4 = 50% RDF through fertigation; F 5 = 50% RDF through fertigation + 2 foliar spray of 1% urea phosphate. tion resulted in minimum or no wastage of nutrients either through deep percolation or evaporation leading to higher uptake of nutrients as reported by Rajput and Patil (2006) in onion.…”

Section: Effect Of Fertigationmentioning

confidence: 52%

Response of tomato (Solanum lycopersicum L.) to fertigation by irrigation scheduling in drip irrigation system

Ankush

Singh

Sharma

2017

JANS

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Drip irrigation technique has proved its superiority over other methods of irrigation due to direct application of water and nutrient in the vicinity of root zone. A field study was conducted to evaluate the effect of irrigation and fertigation scheduling through drip irrigation in tomato (Solanum lycopersicum L.) during Rabi season of 2015-16 at Rajasthan College of Agriculture, MPUAT, Udaipur. There were three irrigation levels and five fertilization levels in split-plot design with three replications. Nutrient content in plant and fruit was found higher under the application of drip irrigation at 100 % PE (I 1 ) and at 100 % RDF through fertigation (F 1 ). Maximum nutrient uptake by tomato i.e. nitrogen (166.83 kg ha ), plant height (67.43 cm) and number of branches (12.33) were registered with treatment combination of drip irrigation at 75 % PE and 75 % RDF through fertigation + 2 foliar spray of 1 % urea phosphate. Drip fertigation method has proved to be very significant in improving nutrient uptake which finally resulting in enhancement of growth and yield of tomato crop.

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Water and nitrate movement in drip-irrigated onion under fertigation and irrigation treatments

Cited by 111 publications

References 9 publications

Marketable yield of onion under different irrigation depths, with and without mulch

Marketable yield of onion under different irrigation depths, with and without mulch

Drip Fertigation in Vegetable Crops for Enhancing Productivity and Resource Use Efficiency: An Overview

Response of tomato (Solanum lycopersicum L.) to fertigation by irrigation scheduling in drip irrigation system

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