DOES SUBSURFACE DRIP IRRIGATION IN SUGARCANE CULTIVARS IMPACT SOIL AGGREGATION?

Authors

  • Yasmin Reis Magalhães Universidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias e Veterinárias, Jaboticabal
  • Anderson Prates Coelho Universidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias e Veterinárias, Jaboticabal
  • Carolina Fernandes Universidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias e Veterinárias, Jaboticabal
  • Alexandre Barcellos Dalri Universidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias e Veterinárias, Jaboticabal

DOI:

https://doi.org/10.15809/irriga.2021v1n3p431-445

Abstract

The aim was to evaluate the effect of subsurface drip irrigation in sugarcane cultivars, contrasting in the responsiveness to irrigation, in the aggregation of Oxisol clayey. The experiment was carried out in a clayey Oxisol (587 g kg-1 of clay). Deformed soil samples were collected at twenty points in each four areas of sugarcane evaluated in the layers 0.00-0.10 m and 0.10-0.20 m. The areas corresponded to the irrigated and non-irrigated cultivation of cultivars CTC 4 and IACSP93-3046. The aggregate stability index, weighted average diameter of aggregates, physical fractionation of organic carbon and the aggregate classes were determined and calculated. The data were submitted to descriptive and multivariate factor statistics. According to the correlations of the variables, soil aggregation was divided into two processes, the first being called “Aggregates dimension” and the second “Aggregates stability”. It was observed that subsurface drip irrigation promotes greater soil “Aggregate stability” in areas cultivated with sugarcane. In addition, sugarcane cultivars provide differences in soil aggregation, and the cultivar responsive to irrigation IACSP93-3046 promotes a larger soil “Aggregates dimension” than the non-responsive cultivar CTC 4.

Author Biography

Anderson Prates Coelho, Universidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias e Veterinárias, Jaboticabal

Engenheiro Agrônomo formado na FCAV/Unesp, Jaboticabal. Atualmente é mestrando em Agronomia (Produção Vegetal) pela mesma instituição, atuando no departamento de engenharia rural.

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Published

2021-12-21

How to Cite

MAGALHÃES, Y. R.; COELHO, A. P.; FERNANDES, C.; DALRI, A. B. DOES SUBSURFACE DRIP IRRIGATION IN SUGARCANE CULTIVARS IMPACT SOIL AGGREGATION?. IRRIGA, [S. l.], v. 1, n. 3, p. 431–445, 2021. DOI: 10.15809/irriga.2021v1n3p431-445. Disponível em: https://energia.fca.unesp.br/index.php/irriga/article/view/4378. Acesso em: 18 may. 2024.

Issue

Vol. 1 No. 3 (2021): Irriga, Edição Especial – Sudeste

Section

Artigos

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Copyright (c) 2021 IRRIGA

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