Efeito de diferentes lâminas de irrigação na cultura do mamão

Santos, Francisco C.; Viana, Thales Vinícius de Araújo; Azevedo, Benito Moreira de; Oliveira, Carlos Wagner; Sousa, Antonio Evami Cavalcante

doi:10.1590/s0100-69162008000400007

Cited by 4 publications

(10 citation statements)

References 4 publications

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“…These observed values for fruit weight corroborate the data observed in Linhares (ES), with values from 0.8 to 2.0 kg fruit -1 (Gomes Filho et al, 2008). However, they are below those observed in Cruz das Almas (BA), with mean values of 2.3 kg fruit -1 (Carvalho et al, 2004) and in Limoeiro do Norte (CE), with values from 1.8 to 2.4 kg fruit -1 (Santos et al, 2008). This superiority might have occurred due to the low number of fruits per plant, causing a greater accumulation of photoassimilates per fruit.…”

Section: Resultssupporting

confidence: 87%

“…Gomes Filho et al, 2008). However, the values were above the highest productions observed in Limoeiro do Norte -CE (Santos et al, 2008), which represented only 25.2% of the observed in Baraúna. Also, in Cruz das Almas -BA (Souza et al, 2007), a production of only 14.3% of the observed in Baraúna was registered.…”

Section: Topdressingmentioning

confidence: 65%

“…The reductions in yield are related to the number of fruits since the fruit weight did not suffer the influence of the treatments. Cruz das Almas (BA), with values of 30.33 ton ha -1 (Souza et al, 2007) and 53.8 ton ha -1 (Carvalho et al, 2004), and in Limoeiro do Norte (CE), with 42.7 ton ha -1 (Santos et al, 2008). This lower yield might have occurred due to several factors, among them the lower availability of phosphorus for absorption by the plants and/or the edaphoclimatic conditions, in which the plants did express all their productive potential.…”

Section: Topdressingmentioning

confidence: 99%

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Fertilization with monoammonium phosphate in the production of Formosa ‘Tainung-01’ papaya in the potiguar semiarid

et al. 2019

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The achievement of good productivity and quality of fruits is directly associated with a balanced fertilization, in which phosphate fertilizers have an important role in the agricultural production system. In this context, this work aimed to evaluate the effect of doses of monoammonium phosphate in ground fertilization and associated with the topdressing in the production of the Formosa “Tainung-01” papaya. The experimental design was in complete randomized blocks, in an split plots outline, having as main factor four fertilizer doses in ground fertilization (0; 80; 160, and 250 kg ha-1 of monoammonium phosphate [MAP]) and, as a sub-portion, two fertilizers in topdressing (20 kg ha-1 of Cosmofert® + 45 kg ha-1 of MAP” and “90 kg ha-1 of MAP). The harvesting began in the eighth month and extended until the 12th month after transplanting of the seedlings. All fruits of five plants per experimental unit were collected and classified. The number of fruits, the production per plant, the yield, and the percentage of marketable fruits were evaluated. The ground fertilization with the monoammonium phosphate did not influence the production of Formosa 'Tainung-01' papaya fruits exclusively destined to the domestic market. When the production is destined to the external market, a dosage of 74.0 kg ha-1 of monoammonium phosphate can be used in ground fertilization.

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Section: Resultssupporting

confidence: 87%

Section: Topdressingmentioning

confidence: 65%

Section: Topdressingmentioning

confidence: 99%

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Fertilization with monoammonium phosphate in the production of Formosa ‘Tainung-01’ papaya in the potiguar semiarid

et al. 2019

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“…Bahia, Espírito Santo, Minas Gerais, Ceará, and Rio Grande do Norte are the major producer states (Anuário Brasileiro de Fruticultura, 2015). Due to environmental conditions and rainfall irregularity in this region, the use of irrigation in papaya cultivation can promote increased productivity, making it an economically viable crop (Santos et al, 2008).…”

Section: Introductionmentioning

confidence: 99%

Papaya seedlings irrigation with saline water in soil with bovine biofertilizer

Neto

Cavalcante

Mesquita

et al. 2016

Chilean J. Agric. Res.

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Water used for irrigation in semiarid regions of the world is not always of good quality, and may contain salts levels that inhibit plants growth. This study was conducted to evaluate the growth of papaya (Carica papaya L.) 'Golden' seedlings irrigated with saline water in soil with and without bovine biofertilizer produced by anaerobic fermentation of a mixture of fresh bovine manure and water. The experiment was carried out in Areia County, Paraiba State, Brazil. Treatments were distributed in randomized blocks using a factorial design 5 × 2 relative to five salinity levels in irrigation water of 0.5, 1.0, 2.0, 3.0 and 4.0 dS m -1 in soil with and without bovine biofertilizer, corresponding to 10% of the substrate volume. At 90 d after emergence (DAE), both the electrical conductivity (EC) in soil saturation extract, biometric growth and DM production of papaya seedlings were evaluated. Increased salinity from 0.5 to 4.0 dS m -1 raised, within 90 DAE, soil EC of saturation extract (ECse) from 1.19 to 3.95 dS m -1 and from 1.23 to 3.63 dS m -1 in treatments with and without bovine biofertilizer, respectively. Also, the increase in water salinity from 0.5 dS m -1 to the estimated maximum values ranging from 1.46 to 2.13 dS m -1 stimulated seedling height to 11.42 and 18.72 cm in soil with and without bovine biofertilizer, respectively. Higher salinity levels in irrigation water increased soil salinity levels to values that inhibited both growth and quality of papaya seedlings, but with less severity when treated with bovine biofertilizer.

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“…For Santos et al (2008), studying the effect of different irrigation depths on a papaya crop, there was a linear increase in crop productivity for the increasing volume of water applied. However, it should be investigated whether this increase in productivity justifies the large amount of water used, that is, water-use efficiency, and the relationship between production and the volume of water used, should be considered.…”

Section: Productivity Of the Papayamentioning

confidence: 99%

Irrigation productivity and water-use efficiency in papaya crop under semi-arid conditions

Feitosa¹,

AraÃojo²,

Oliveira³

et al. 2016

Afr. J. Agric. Res.

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Papaya (Carica papaya L.) has a great economic importance in tropical and subtropical countries, Brazil being one of the largest producers of papaya in the world. This crop requires a considerable amount of water during its cycle, making proper irrigation management essential for optimal water use. Improving water-use efficiency can increase levels of agricultural production as well as the efficient use of water resources in semi-arid regions.The aim of this work was to evaluate productivity and water-use efficiency of irrigation inpapaya. The research was carried out in the Curupatiirrigation Perimeter, located in the semi-arid region of Brazil. The volume of water applied to the crop was quantified by calculating the number of operating hours of the pump unit supplying the irrigated lot, determining the flow rate of the emitters used in the irrigation system, and evaluating the soil moisture profile.The total volume of water applied was 2,663,296.20 m 3 , for a yield that ranged from 80 to 106 t ha -1 . For water-use efficiency, it was found that for each kilogram of papaya produced, 1,042 m 3 of water were consumed, giving a productivity of 0.95 kg m 3 . The water-use efficiency was affected by the different types of soil in the irrigation perimeter.

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Efeito de diferentes lâminas de irrigação na cultura do mamão

Cited by 4 publications

References 4 publications

Fertilization with monoammonium phosphate in the production of Formosa ‘Tainung-01’ papaya in the potiguar semiarid

Fertilization with monoammonium phosphate in the production of Formosa ‘Tainung-01’ papaya in the potiguar semiarid

Papaya seedlings irrigation with saline water in soil with bovine biofertilizer

Irrigation productivity and water-use efficiency in papaya crop under semi-arid conditions

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