Nutrientes minerais em pimentão fertirrigado sob lâminas de irrigação e doses de potássio

Albuquerque, Francimar S; Silva, Ênio Farias de França e; Neto, Egídio Bezerra; Souza, Amanda E. R. de; Santos, Alexandre Nascimento dos

doi:10.1590/s0102-05362012000400019

Cited by 10 publications

(8 citation statements)

References 11 publications

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“…With respect to the obtained yields in the present research, compared with those reported by Albuquerque et al (2012), where the maximum production of bell pepper (23.2 t.ha ). With another cultivar such as Lirica, they obtained 3.3 Kg.plant -1 with 22.3 fruit, which shows the importance of having a certification, in face of the competent authorities, of the materials behavior commercialized in Colombia, in different environments for which they are recommended.…”

Section: Discussionsupporting

confidence: 53%

“…Accordingly to Albuquerque et al (2012), in addition to fertilizers recommendation, the amount of extracted or exported nutrients by several crops vary widely due to factors such as: cultivar, soil conditions, climatic variations, water availability, obtained productivity and crop cycle.…”

Section: Discussionmentioning

confidence: 99%

“…Alternatively, Albuquerque, Silva, Bezerra, Souza & Santos (2012), evaluating the Maximo's F1 hybrid in open field condition under five (5) irrigation levels and two (2) doses of K 2 O, found that the best combination was 80 kg.ha -1 with an irrigation level close to 100% of crop evapotranspiration, obtaining an adequate macronutrient levels and avoiding deficiencies while reducing nutrients loss to the minimum due to excessive water and fertilizer applications.…”

Section: Introductionmentioning

confidence: 99%

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Effect of two environments and fertilization recommendations on the development and production of bell pepper (cv. Nathalie)

Fernández¹,

Orozco²,

Munera³

2018

Acta Agron.

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Some unappropriated techniques are found in bell pepper agricultural management. Those are: non-balancing nutritional profile among soil contribution, crop requirements and fertilizer efficiency, excessive use of composite sources and the lack of availability of studies on recommendations in different environments where this crop is grown. In order to mitigate the inadequate techniques in the agronomic management of bell pepper, an evaluation of four fertilization treatments under open field and protected conditions with plastic cover was conducted. Nathalie cultivar was grown during 2014-B and 2015-A at "Corporación Colombiana de Investigación Agropecuaria", -CORPOICA research center, located in Llanogrande, township of Rionegro (Antioquia, Colombia). The treatments (T) evaluated were: T1: 250, 75, 180 and 90; T2: 170, 50, 120 and 60; T3, 100, 40, 80 and 40 and T4: 60, 25, 50 and 25 kg.ha -1 of N, P 2 O 5 , K 2 O and MgO, respectively. T2 and T4 correspond to crop requirements established by previous research. In addition, simple sources were used as follows: Urea, DAP, Potassium chloride and Magnesium sulphate, which were arranged in a split-plot design. For the relative crop growth rate (TCR) and yield variables, differences were shown under two evaluated conditions. In open field condition, the highest production and stem diameter were recorded; there were not differences among treatments. T3 is recommended because it showed similar yield to the other three ones. This Treatment allowed reestablishing and maintaining soil fertility levels, with a rational, efficient and low use of fertilizers, without generating contamination and salinity problems.Key words: Agronomic management, Capsicum annuum, crop relative growth rate, open field condition, protected with plastic cover, yield. ResumenBuscando mitigar la implementación de técnicas inadecuadas para el manejo agronómico del pimentón como el no balanceo nutricional entre lo aportado por el suelo, los requerimientos del cultivo y la eficiencia de los fertilizantes, el uso excesivo de fuentes compuestas y la no disponibilidad de estudios sobre recomendaciones en los diferentes ambientes donde se desarrolla. Se realizó la evaluación de cuatro tratamientos de fertilización bajo condiciones de campo abierto y protegido bajo cubierta plástica, con el cultivar Nathalie, durante el 2014-B y 2015-A, en el Centro de Investigación La Selva de CORPOICA, Rionegro -Antioquia, Colombia. Los tratamientos (T) evaluados fueron: T1: 250, 75, 180 y 90; T2: 170, 50, 120 y 60; T3: 100, 40, 80 y 40 y T4: 60, 25, 50 y 25 kg.ha -1 de N, P 2 O 5 , K 2 O y MgO, respectivamente. T2 y T4 corresponden a requerimientos del cultivo establecidos por investigaciones anteriores. Se emplearon como fuentes simples: Urea, DAP, Cloruro de potasio y Sulfato de magnesio; en un diseño de parcelas divididas. Para las variables tasa de crecimiento relativo del cultivo (TCR) y rendimiento, se presentaron diferencias bajo las dos condiciones evaluadas. En Campo Abierto, se registró la mayor pro...

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Section: Discussionsupporting

confidence: 53%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Effect of two environments and fertilization recommendations on the development and production of bell pepper (cv. Nathalie)

Fernández¹,

Orozco²,

Munera³

2018

Acta Agron.

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“…Thus, nutrient solution enrichment with K + and Ca 2+ can be used as a strategy to reduce the effects of salinity on plants (Rubio, García-Sánchez, Rubio, García, & Martínez, 2010b;Rubio, García-Sanchez, Rubio, & Martínez, 2009;Rubio, García-Sánchez, Flores, Navarro, & Martínez 2010a). Nevertheless, the management of these nutrients must be conducted with caution because high K + concentrations can reduce Ca 2+ absorption (and vice versa) and reduce Mg 2+ absorption (Albuquerque, Silva, Bezerra Neto, Souza, & Santos, 2012).…”

Section: Introductionmentioning

confidence: 99%

Bell pepper production under saline stress and fertigation with different K+/Ca2+ ratios in a protected environment

et al. 2020

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Bell peppers are sensitive to salinity; therefore, it is necessary to find alternatives to reduce saline stress. An experiment was conducted in a greenhouse at Federal Rural University of the Semi-Arid Region, in Mossoró, Rio Grande do Norte State, Brazil, to evaluate the effects of salinity and K+/Ca2+ ratios on bell pepper production. The experimental design consisted of randomized blocks in a 5 x 4 factorial scheme with four replicates, corresponding to five K+/Ca2+ ratios (F1 = 3.3/1, F2 = 2.8/1, F3 = 2.2/1, F4 = 1.8/1, and F5 = 1.5/1) and four salinity levels in the nutrient solution using NaCl (1.75, 3.25, 4.75, and 6.25 dS m-1). The following parameters were evaluated: the number of fruits (total, marketable and unmarketable), the mean weight of fruits (marketable and unmarketable), fruit production (total, marketable and percentage of marketable fruits) and a salinity tolerance index. Generally, nutrient solution enrichment with K+ or Ca2+ did not cause significant increments in bell pepper yield. The fertigation treatments F2, F3, and F5 led to a higher bell pepper tolerance to salinity, allowing waters with higher salt concentrations to be used without causing a reduction in the yield.

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“…Associated with the water management required for bell pepper crop, the need for nutrients has received a lot of attention (ALBUQUERQUE et al, 2012), especially nitrogen, as it is absorbed in varied amounts throughout the cultivation cycle and directly influences plant growth (ARAGÃO et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

Yield of Fertigated Bell Pepper Under Different Soil Water Tensions and Nitrogen Fertilization1

et al. 2020

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Considering the lack of technical information on the water depth and nitrogen fertilization via fertigation in protected cultivation for bell pepper production in northern Brazil, this paper aimed to study the soil water tensions under different nitrogen doses for the cultivation of bell pepper in protected environment. The experiment was conducted in a greenhouse at the Igarapé-Açu School Farm of the Federal Rural University of the Amazon, at 1.0 x 0.50 m spacing, using the experimental design of randomized blocks in a 5x4 factorial scheme, with three replicates. The treatments consisted of five soil water tensions (15, 25, 35, 45 and 65 kPa) and four nitrogen doses (0, 135, 265 and 395 kg ha-1). There was interaction between soil water tension and nitrogen doses only for nitrogen use efficiency, and the best value was obtained with the combination between soil water tension of 15 kPa and nitrogen dose of 135 kg ha-1. Total number of fruits, fruit length and fruit diameter showed significant differences only as a function of soil water tensions. Production per plant, total yield and water use efficiency were statistically significant for soil water tensions and nitrogen doses. Therefore, for the conditions in which this study was carried out, it is recommended to apply a soil water tension of 15 kPa and nitrogen dose of 265 kg ha-1 for bell pepper cultivation in protected environment.

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Nutrientes minerais em pimentão fertirrigado sob lâminas de irrigação e doses de potássio

Cited by 10 publications

References 11 publications

Effect of two environments and fertilization recommendations on the development and production of bell pepper (cv. Nathalie)

Effect of two environments and fertilization recommendations on the development and production of bell pepper (cv. Nathalie)

Bell pepper production under saline stress and fertigation with different K+/Ca2+ ratios in a protected environment

Yield of Fertigated Bell Pepper Under Different Soil Water Tensions and Nitrogen Fertilization1

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