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Ciência e Técnica Vitivinícola

versão impressa ISSN 0254-0223

Resumo

FREIRE FILHO, Joao Juracy Palhano; SANTOS, Michele da Silva; BARROS, Helder Morais Mendes  e  LIMA, Vera Lúcia Antunes de. Use of fertirrigation in the culture of the grape in the area of the sub-medium is Worth of São Francisco in the Northeast of Brazil . Ciência Téc. Vitiv. [online]. 2008, vol.23, n.2, pp.75-80. ISSN 0254-0223.

Among the irrigated fruit bowls, the grape blunts as a culture of high commercial value, being one of the fruits more consumed in the world. The fertirrigation is a more efficient and economical way to apply fertilizers the plants, mainly in arid and semi-arid areas. With the objective of evaluating the environmental impacts in a property with an area of 340 has been locating in the sub-medium it is worth of San Francisco (Brazil), explored with the grape culture (Vitis vinifera) fertirrigated. The experiment was led in the period between 1998 and 2001 in the farm of the Company located Brasiluvas in the sub-medium it is Worth of San Francisco, in the municipal district of Juazeiro - BA, in the Northeast of Brazil. They were made observations in the chemical properties of the soil in two periods, 1998 and 2001, in sixteen irrigation sections, of the which 8 sections irrigated by microaspersion and 8 sections irrigated by leak. The behaviors chemical of the soil were observed in two depths 0-20cm and 40-60cm, it was also evaluated the productivity of the culture. The productivity was not committed with the decrease in the tenors of most of the characteristics chemistries of the soil. All the sections irrigated by leak they presented increment in your medium tenors of the characteristics chemistries of the soil analyzed. In spite of the increase in the medium tenors of the heavy metals, these they were in the limits allowed in agreement with the used reference. The results indicated that there was I increase gradativo of the productivity in the farm using overhead irrigations for leak and microaspersion. It was observed although the best grape productions are always in the second semester.

Palavras-chave : Fertirrigation; Vitis vinifera; environmental impact; heavy metals; productivity.

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