Bio-agroeconomic returns in beet-cowpea intercropping by optimization of population densities and spatial arrangements



Document title: Bio-agroeconomic returns in beet-cowpea intercropping by optimization of population densities and spatial arrangements
Journal: Acta scientiarum. Agronomy
Database: PERIÓDICA
System number: 000459813
ISSN: 1679-9275
Authors: 1
1
1
2
1
3
1
Institutions: 1Universidade Federal Rural do Semi-Arido, Departamento de Ciencia Agronomicas e Florestais, Mossoro, Rio Grande do Norte. Brasil
2Secretaria de Agricultura, Belem do Brejo do Cruz, Paraiba. Brasil
3Instituto Federal do Ceara, Limoeiro do Norte, Ceara. Brasil
Year:
Volumen: 44
Country: Brasil
Language: Inglés
Document type: Artículo
Approach: Experimental, analítico
English abstract One of the great challenges of the beet and cowpea cultivation in crop association is to maintain their productivity as that of their sole counterparts in semi-arid environment. In this context, the objective of this work is to assess whether there is bio-agroeconomic return in associations of beet-cowpea by the optimization of population densities and spatial arrangements of the component crops. Experiments were performed in randomised complete block designs with treatments arranged in a 4 × 3 factorial scheme, with four replications. The first factor was the population densities of cowpea (100, 80, 60, and 40% of the recommended population in single crop - RPSC) in association with beet, and the second factor was the spatial arrangements (2:2, 3:3, and 4:4), formed by beet (B) rows alternating with cowpea (C) rows. The competition and agronomic indices evaluated were aggressiveness, competitive ratio, land equivalent ratio, actual yield loss, intercropping advantage and the productive efficiency index. The economic indicators evaluated were gross income, net income, rate of return and profit margin. High agro-economic efficiency can be obtained in the cultivation of beet and cowpea intercropping when well-managing the factors of production, population densities and spatial arrangement of the component crops. The greatest agro-economic return of the cowpea and beet intercropping was obtained in the population densities of 40 and 100% of RPSC for cowpea and beet, respectively. The 2:2 spatial arrangement between beet and cowpea crops was the one with the best productive performance and higher indicators of economic return. The cowpea was the dominant crop while the beet was dominated
Disciplines: Agrociencias
Keyword: Fitotecnia,
Asociación de cultivos,
Densidad espacial,
Remolacha azucarera,
Caupí,
Beta vulgaris,
Vigna unguiculata
Keyword: Crop husbandry,
Intercrops,
Cowpea,
Beet,
Beta vulgaris,
Vigna unguiculata,
Spatial density
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