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Agro-bioeconomic feasibility in beet and cowpea strip-intercropping under green manuring and cowpea population density.

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Title: Agro-bioeconomic feasibility in beet and cowpea strip-intercropping under green manuring and cowpea population density.
Alternate Title: Viabilidade agrobioeconômica em consórcio de beterraba x feijão-caupi em faixas sob adubação verde e densidade do feijão-caupi.
Authors: de Azevedo, Marianne C.1 mariagro13@gmail.com, Neto, Francisco Bezerra1, de Lima, Jailma S. S.1, da Silva, Jéssica P. P.1, de J. S. do Carmo, Iron D.2, da S. Freitas, Isaac A.1, Dantas, Daniel da S.1, Ferreira, Douglas P.1, dos Santos, Elizangela C.1, de O. Rodrigues, Gardênia S.3, da S. Coura, Luzia K.4
Source: Revista Brasileira de Engenharia Agrícola e Ambiental - Agriambi. 2026, Vol. 30 Issue 4, p1-12. 12p.
Subjects: Green manuring, Agricultural economics, Intercropping, Caatinga plants, Arid regions agriculture, Crop management, Plant spacing, Beets
Abstract (English): Proper management of the types and quantities of green manures from the Caatinga biome and crop densities has been a prerequisite for the agroecological success of intercropping in the semi-arid region. Given this, the study goal was to assay the agro-bioeconomic viability of combining beet root with cowpea under different M. aegyptia and C. procera biomass equal amounts (20, 36, 52, and 68 t ha-1 dry weight) at various cowpea plant densities (80, 120, 160, and 200,000 plants ha-1), combined with 500,000 plants per hectare of beet over two cultivation years. The experimental procedure of randomized complete blocks was used in the field experiments, in a 4x4 factorial array with four replications. The first factor comprised M. aegyptia and C. procera biomass in equal amounts, while the second comprised different cowpea population densities. In each block, two plots with beet and cowpea monocropping optimized by regional research were sown for obtaining the indices. The cowpea and beet intercropping showed high agro-bioeconomic viability when adequately fertilized with green manures biomass amounts of 65.00, 68.00, 49.96, and 49.46 t ha-1 at the cowpea density of 142,000 plants per hectare, respectively, yielding a land equivalent ratio of 1.27, a canonical variate score of 3.60, a net income of BRL 52,392.71 per hectare, and a rate of return of BRL 2.72 per real invested. [ABSTRACT FROM AUTHOR]
Abstract (Portuguese): O manejo adequado dos tipos e quantidades de adubos verdes do bioma Caatinga, bem como das densidades das culturas tem sido um pré-requisito para o sucesso agroecológico do consórcio na região semiárida. Diante disso, o propósito deste estudo foi avaliar a viabilidade agrobioeconômica da combinação de beterraba com feijão-caupi sob diferentes quantidades de biomassa equivalentes de M. aegyptia e C. procera (20, 36, 52 e 68 t ha-1 de peso seco) em várias densidades de plantas de feijão-caupi (80, 120, 160 e 200.000 plantas ha-1), combinadas com 500.000 plantas por hectare de beterraba ao longo de dois anos de cultivo. Nos experimentos de campo, utilizou-se o procedimento experimental de blocos completos ao acaso, em disposição fatorial 4x4, com quatro repetições. O primeiro fator foi composto por quantidades iguais de biomassa de M. aegyptia e C. procera, enquanto o segundo fator consistiu em diferentes densidades populacionais de feijão-caupi. Em cada bloco, foram semeadas duas parcelas com monocultivos de beterraba e feijão-caupi otimizados por pesquisas na região para obtenção dos índices. O consórcio de feijão-caupi e beterraba apresentou alta viabilidade agrobioeconômica quando adequadamente fertilizado com quantidades de biomassa dos adubos verdes de 65,00, 68,00, 49,96 e 49,46 t ha-1 na densidade de feijão-caupi de 142.000 plantas por hectare, respectivamente, produzindo uma razão de equivalente de terra de 1,27, um escore da variável canônica de 3,60, uma renda líquida de R$ 52.392,71 por hectare e uma taxa de retorno de R$ 2,72 por real investido. [ABSTRACT FROM AUTHOR]
Copyright of Revista Brasileira de Engenharia Agrícola e Ambiental - Agriambi is the property of Revista Brasileira de Engenharia Agricola e Ambiental and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Label: Title
  Group: Ti
  Data: Agro-bioeconomic feasibility in beet and cowpea strip-intercropping under green manuring and cowpea population density.
– Name: TitleAlt
  Label: Alternate Title
  Group: TiAlt
  Data: Viabilidade agrobioeconômica em consórcio de beterraba x feijão-caupi em faixas sob adubação verde e densidade do feijão-caupi.
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  Data: <searchLink fieldCode="AR" term="%22de+Azevedo%2C+Marianne+C%2E%22">de Azevedo, Marianne C.</searchLink><relatesTo>1</relatesTo><i> mariagro13@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Neto%2C+Francisco+Bezerra%22">Neto, Francisco Bezerra</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22de+Lima%2C+Jailma+S%2E+S%2E%22">de Lima, Jailma S. S.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22da+Silva%2C+Jéssica+P%2E+P%2E%22">da Silva, Jéssica P. P.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22de+J%2E+S%2E+do+Carmo%2C+Iron+D%2E%22">de J. S. do Carmo, Iron D.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22da+S%2E+Freitas%2C+Isaac+A%2E%22">da S. Freitas, Isaac A.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Dantas%2C+Daniel+da+S%2E%22">Dantas, Daniel da S.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Ferreira%2C+Douglas+P%2E%22">Ferreira, Douglas P.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22dos+Santos%2C+Elizangela+C%2E%22">dos Santos, Elizangela C.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22de+O%2E+Rodrigues%2C+Gardênia+S%2E%22">de O. Rodrigues, Gardênia S.</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22da+S%2E+Coura%2C+Luzia+K%2E%22">da S. Coura, Luzia K.</searchLink><relatesTo>4</relatesTo>
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– Name: Subject
  Label: Subjects
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  Data: <searchLink fieldCode="DE" term="%22Green+manuring%22">Green manuring</searchLink><br /><searchLink fieldCode="DE" term="%22Agricultural+economics%22">Agricultural economics</searchLink><br /><searchLink fieldCode="DE" term="%22Intercropping%22">Intercropping</searchLink><br /><searchLink fieldCode="DE" term="%22Caatinga+plants%22">Caatinga plants</searchLink><br /><searchLink fieldCode="DE" term="%22Arid+regions+agriculture%22">Arid regions agriculture</searchLink><br /><searchLink fieldCode="DE" term="%22Crop+management%22">Crop management</searchLink><br /><searchLink fieldCode="DE" term="%22Plant+spacing%22">Plant spacing</searchLink><br /><searchLink fieldCode="DE" term="%22Beets%22">Beets</searchLink>
– Name: Abstract
  Label: Abstract (English)
  Group: Ab
  Data: Proper management of the types and quantities of green manures from the Caatinga biome and crop densities has been a prerequisite for the agroecological success of intercropping in the semi-arid region. Given this, the study goal was to assay the agro-bioeconomic viability of combining beet root with cowpea under different M. aegyptia and C. procera biomass equal amounts (20, 36, 52, and 68 t ha-1 dry weight) at various cowpea plant densities (80, 120, 160, and 200,000 plants ha-1), combined with 500,000 plants per hectare of beet over two cultivation years. The experimental procedure of randomized complete blocks was used in the field experiments, in a 4x4 factorial array with four replications. The first factor comprised M. aegyptia and C. procera biomass in equal amounts, while the second comprised different cowpea population densities. In each block, two plots with beet and cowpea monocropping optimized by regional research were sown for obtaining the indices. The cowpea and beet intercropping showed high agro-bioeconomic viability when adequately fertilized with green manures biomass amounts of 65.00, 68.00, 49.96, and 49.46 t ha-1 at the cowpea density of 142,000 plants per hectare, respectively, yielding a land equivalent ratio of 1.27, a canonical variate score of 3.60, a net income of BRL 52,392.71 per hectare, and a rate of return of BRL 2.72 per real invested. [ABSTRACT FROM AUTHOR]
– Name: Abstract
  Label: Abstract (Portuguese)
  Group: Ab
  Data: O manejo adequado dos tipos e quantidades de adubos verdes do bioma Caatinga, bem como das densidades das culturas tem sido um pré-requisito para o sucesso agroecológico do consórcio na região semiárida. Diante disso, o propósito deste estudo foi avaliar a viabilidade agrobioeconômica da combinação de beterraba com feijão-caupi sob diferentes quantidades de biomassa equivalentes de M. aegyptia e C. procera (20, 36, 52 e 68 t ha-1 de peso seco) em várias densidades de plantas de feijão-caupi (80, 120, 160 e 200.000 plantas ha-1), combinadas com 500.000 plantas por hectare de beterraba ao longo de dois anos de cultivo. Nos experimentos de campo, utilizou-se o procedimento experimental de blocos completos ao acaso, em disposição fatorial 4x4, com quatro repetições. O primeiro fator foi composto por quantidades iguais de biomassa de M. aegyptia e C. procera, enquanto o segundo fator consistiu em diferentes densidades populacionais de feijão-caupi. Em cada bloco, foram semeadas duas parcelas com monocultivos de beterraba e feijão-caupi otimizados por pesquisas na região para obtenção dos índices. O consórcio de feijão-caupi e beterraba apresentou alta viabilidade agrobioeconômica quando adequadamente fertilizado com quantidades de biomassa dos adubos verdes de 65,00, 68,00, 49,96 e 49,46 t ha-1 na densidade de feijão-caupi de 142.000 plantas por hectare, respectivamente, produzindo uma razão de equivalente de terra de 1,27, um escore da variável canônica de 3,60, uma renda líquida de R$ 52.392,71 por hectare e uma taxa de retorno de R$ 2,72 por real investido. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Revista Brasileira de Engenharia Agrícola e Ambiental - Agriambi is the property of Revista Brasileira de Engenharia Agricola e Ambiental and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1590/1807-1929/agriambi.v30n4e289051
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      – Code: eng
        Text: English
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        PageCount: 12
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    Subjects:
      – SubjectFull: Green manuring
        Type: general
      – SubjectFull: Agricultural economics
        Type: general
      – SubjectFull: Intercropping
        Type: general
      – SubjectFull: Caatinga plants
        Type: general
      – SubjectFull: Arid regions agriculture
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      – SubjectFull: Crop management
        Type: general
      – SubjectFull: Plant spacing
        Type: general
      – SubjectFull: Beets
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