African Journal of
Agricultural Research

  • Abbreviation: Afr. J. Agric. Res.
  • Language: English
  • ISSN: 1991-637X
  • DOI: 10.5897/AJAR
  • Start Year: 2006
  • Published Articles: 6901

Full Length Research Paper

Transpiration, water extraction, and root distribution of Tahiti lime (Citrus latifolia Tanaka) plant under different micro-sprinkler placements

Welson Lima Simoes
  • Welson Lima Simoes
  • Embrapa Semiárido, Petrolina, PE, Brazil.
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Eugenio Ferreira Coelho
  • Eugenio Ferreira Coelho
  • Embrapa Mandioca e Fruticultura, Cruz das Almas, BA, Brazil.
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Mauricio Antonio Coelho Filho
  • Mauricio Antonio Coelho Filho
  • Embrapa Mandioca e Fruticultura, Cruz das Almas, BA, Brazil.
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Miguel Julio Machado Guimaraes
  • Miguel Julio Machado Guimaraes
  • Universidade Federal do Vale do São Francisco, Juazeiro, BA, Brazil.
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Marcelo Rocha dos Santos
  • Marcelo Rocha dos Santos
  • Instituto Federal de Educação Ciência e Tecnologia Baiano, Guanambi, BA, Brazil.
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Edio Luiz da Costa
  • Edio Luiz da Costa
  • Universidade Federal de São João del Rei, São João del-Rei, MG, Brazil.
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  •  Received: 13 May 2019
  •  Accepted: 27 June 2019
  •  Published: 31 August 2019

Abstract

Measurements of transpiration in cultivated plants are of utmost importance, especially in semi-arid regions where there is low water availability with this, the present work aimed to determine daily transpiration, root distribution, and soil water extraction of ‘Tahiti’ lime plant under different micro-sprinkler placements in semi-arid conditions of northern Minas Gerais state. We assessed soil water balance, root system and sap flow of plants irrigated by three different micro-sprinklers setups: T1 - a micro sprinkler with 35 L h-1 flow rate located between two plants and along the plant row; T2 - a micro sprinkler with 70 L h-1 flow rate watering and between two plants, along the plant row; and T3 - a micro sprinkler with 35 L h-1 flow rate located 0.3 m from the plant. Treatments changed root distribution, soil water extraction, and transpiration of Tahiti lime. In T2 water loss was lower in upper soil layers than in the remaining treatments. Sap flow in T2 was higher than in T3 and T1, which indicates better water use in T2.

Key words: Sap flow, root, soil moisture.

 

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This article is published under the terms of the Creative Commons Attribution License 4.0

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