COWPEA IRRIGATED WITH SALINE WATER AND FERTILIZED WITH CATTLE MANURE

Authors

  • Varley Andrade Fonseca
  • Cleiton Fernando Barbosa Brito
  • Felizarda Viana Bebé
  • Alessandro de Magalhães Arantes
  • Leandro Gonçalves dos Santos

DOI:

https://doi.org/10.13083/reveng.v24i5.714

Keywords:

salinidade, matéria orgânica, Vigna unguiculata

Abstract

Cowpea constitutes one of the main components of the diet in the North and Northeast of Brazil. The objective of this study was to evaluate the development of cowpea subjected to irrigation with water with different salinity levels and fertilized with cattle manure. The experiment was conducted under greenhouse conditions in a greenhouse. The experimental design was completely randomized in a factorial 2 x 5, covering the soil with and without application of manure (20 ton ha-1) and fve levels of irrigation water salinity (0.64; 1.32; 2.43; 3.22; 4.20 dS m-1), with four replications. The variables evaluated were: plant height, stem diameter, dry matter of shoot, root dry matter, total dry matter, number and length of pods, productivity and soil electrical conductivity. Plant height was reduced linearly as it increased the electrical conductivity of the irrigation water (0.64 to 4.20 dS m-1), with a decrease of 24.07% and 32.34, with or without application of manure, respectively. Productivity Decreased by 71.42% in the treatment que received manure and 80.99% without application of manure. All variables were in?uenced by salinity smaller reduction promoting irrigation water to the highest level of salinity. The application of manure helps to reduce the effects of irrigation water salinity

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Published

2017-01-26

How to Cite

Fonseca, V. A., Brito, C. F. B., Bebé, F. V., Arantes, A. de M., & dos Santos, L. G. (2017). COWPEA IRRIGATED WITH SALINE WATER AND FERTILIZED WITH CATTLE MANURE. Engineering in Agriculture, 24(5), 427–438. https://doi.org/10.13083/reveng.v24i5.714

Issue

Vol. 24 No. 5 (2016)

Section

Water and environmental resources

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