Anais Do II Inovagri International Meeting - 2014 2014
DOI: 10.12702/ii.inovagri.2014-a682
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Adubação Orgânica e Fertirrigação Potássica em Videira ‘Syrah’ no Semiárido

Abstract: RESUMOApesar da grande importância da adubação na qualidade das uvas, ainda existem poucos estudos sobre a fertirrigação em videira de vinho no Vale do Submédio São Francisco. Com o objetivo de avaliar a produção de uvas sob a influência de doses de potássio e de adubo orgânico, um experimento foi realizado na Embrapa Semiárido, em Petrolina-PE, com videiras (Vitis vinifera L.), 'Syrah', enxertadas sobre o porta-enxerto 'Paulsen' 1103 e cultivadas no espaçamento 3 x 1 m. As plantas foram irrigadas por um siste… Show more

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“…It contributes to a greater efficiency in the application of fertilizers and a greater ease in the nutritional management of crops (SILVA et al, 2016;SHARMA et al, 2014). Currently, the use of fertigation is a common practice in grapevine cultivation (Vitis vinifera L.) in the Lower Middle São Francisco river valley, where fertilizers containing nitrogen (N) and potassium (K) are frequently used due to a need for these nutrients by crops (ROCHA et al, 2015;SILVA et al, 2014) mainly during phenological phases such as flowering and grape ripening.…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…It contributes to a greater efficiency in the application of fertilizers and a greater ease in the nutritional management of crops (SILVA et al, 2016;SHARMA et al, 2014). Currently, the use of fertigation is a common practice in grapevine cultivation (Vitis vinifera L.) in the Lower Middle São Francisco river valley, where fertilizers containing nitrogen (N) and potassium (K) are frequently used due to a need for these nutrients by crops (ROCHA et al, 2015;SILVA et al, 2014) mainly during phenological phases such as flowering and grape ripening.…”
Section: Introductionmentioning
confidence: 99%
“…Among the problems that arise from an excessive application of fertilizers, we can mention contamination of water tables, by which elements are leached to depths below the root system, and may reach water sources and pollute the environment (BORTOLOTTO et al 2013). Among the fertilizers that may cause pollution as a consequence of an inadequate management, we can highlight N fertilizers, with an emphasis on the nitrate ion (NO 3 -) and its action in the contamination of groundwater (ANDRADE et al, 2016), and potassium fertilizers, which may raise the levels of K + in the soil to levels above those required for crops when applied excessively (SILVA et al, 2014). In semi-arid regions, the contamination of groundwater may happen even faster, since the soil of such regions are shallow and groundwater is close to the surface (BADR et al, 2016).…”
Section: Introductionmentioning
confidence: 99%