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2021-02-07Subject
580 Plants; biology 630 Agriculture NigeriaPflanzenbauDiversifikationAugenbohneMaisErdnussBatateNachhaltigkeitIntensivlandwirtschaftTropischer RegenwaldAgrarökosystemMetadata
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Aufsatz
Diversification of maize-based intercropping systems in tropical rainforest agroecosystem of Nigeria: productivity, profitability and soil fertility
Abstract
Monocropping of maize is becoming unsustainable in the rainforest agroecosystem of Nigeria. This is due to the adverse impact of climate change such as increasing pests and disease infestations and erratic rainfall patterns coupled with underutilization of resources. Smallholder farmers in this tropical agroecosystems are in dire need of adaptive and resilient cropping systems to ensure food, nutrition, and livelihood security. Thus, this study aims to identify adaptive maize-based systems for the rainforest agroecology of Nigeria with high productivity, increased profitability, and enhanced soil fertility. The maize-based cropping systems comprised of maize sole; maize + cowpea; maize + groundnut; and maize + sweet potato. Results showed that the system productivity of maize + sweet potato (5.1 t ha–1) was significantly higher (P = 0.05) than maize sole (2.0 t ha–1); maize + cowpea (2.9 t ha–1); and maize + groundnut (2.5 t ha–1). Maize + sweet potato system ($ 808 ha–1) significantly increased the net income in terms of monetary profits compared to maize sole ($ 524 ha–1); maize + cowpea ($ 618 ha–1); and maize + groundnut ($ 560 ha–1). However, the net benefit-cost ratio of maize + sweet potato (1.17) and maize + cowpea (1.15) are similar. The effect of cowpea intercrop with maize affected the availability of nitrogen (N), phosphorus (P), and organic carbon (OC) in soil. The intercrops of maize + sweet potato and maize + cowpea in this agroecosystem are sustainable and adaptive intercropping systems that are capable of meeting the food requirements and income stability of farmers while maintaining the soil health. Crop diversification through intercropping in tropical smallholder farming systems can contribute to food security and maintenance of the soil ecosystem services.
Citation
In: Future of Food: Journal on Food, Agriculture & Society Vol. 9 / No. 1 (2021-02-07) EISSN 2197-411XCollections
Vol 09, No 1 (2021) (Future of Food: Journal on Food, Agriculture & Society // The Future of Food Journal: Journal on Food, Agriculture & Society)Citation
@article{doi:10.17170/kobra-202011192213,
author={Oyeogbe, Anthony and Otoadese, Joshua and Ehanire, Bryan},
title={Diversification of maize-based intercropping systems in tropical rainforest agroecosystem of Nigeria: productivity, profitability and soil fertility},
journal={Future of Food: Journal on Food, Agriculture & Society},
year={2021}
}
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2021-03-05T10:26:39Z 2021-03-05T10:26:39Z 2021-02-07 doi:10.17170/kobra-202011192213 http://hdl.handle.net/123456789/12583 eng Namensnennung 4.0 International http://creativecommons.org/licenses/by/4.0/ crop diversification cowpea groundnut sweet potato Sustainable intensification 580 630 Diversification of maize-based intercropping systems in tropical rainforest agroecosystem of Nigeria: productivity, profitability and soil fertility Aufsatz Monocropping of maize is becoming unsustainable in the rainforest agroecosystem of Nigeria. This is due to the adverse impact of climate change such as increasing pests and disease infestations and erratic rainfall patterns coupled with underutilization of resources. Smallholder farmers in this tropical agroecosystems are in dire need of adaptive and resilient cropping systems to ensure food, nutrition, and livelihood security. Thus, this study aims to identify adaptive maize-based systems for the rainforest agroecology of Nigeria with high productivity, increased profitability, and enhanced soil fertility. The maize-based cropping systems comprised of maize sole; maize + cowpea; maize + groundnut; and maize + sweet potato. Results showed that the system productivity of maize + sweet potato (5.1 t ha–1) was significantly higher (P = 0.05) than maize sole (2.0 t ha–1); maize + cowpea (2.9 t ha–1); and maize + groundnut (2.5 t ha–1). Maize + sweet potato system ($ 808 ha–1) significantly increased the net income in terms of monetary profits compared to maize sole ($ 524 ha–1); maize + cowpea ($ 618 ha–1); and maize + groundnut ($ 560 ha–1). However, the net benefit-cost ratio of maize + sweet potato (1.17) and maize + cowpea (1.15) are similar. The effect of cowpea intercrop with maize affected the availability of nitrogen (N), phosphorus (P), and organic carbon (OC) in soil. The intercrops of maize + sweet potato and maize + cowpea in this agroecosystem are sustainable and adaptive intercropping systems that are capable of meeting the food requirements and income stability of farmers while maintaining the soil health. Crop diversification through intercropping in tropical smallholder farming systems can contribute to food security and maintenance of the soil ecosystem services. open access Oyeogbe, Anthony Otoadese, Joshua Ehanire, Bryan Nigeria Pflanzenbau Diversifikation Augenbohne Mais Erdnuss Batate Nachhaltigkeit Intensivlandwirtschaft Tropischer Regenwald Agrarökosystem publishedVersion EISSN 2197-411X No. 1 Future of Food: Journal on Food, Agriculture & Society Vol. 9 false 328
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