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CO 2 Flux and C Balance due to the Replacement of Bare Soil with Agro-Ecological Service Crops in Mediterranean Environment

Author

Listed:
  • Emanuele Radicetti

    (Department of Agricultural and Forestry Sciences (DAFNE), University of Tuscia, Via San Camillo de Lellis snc., 01100 Viterbo, Italy)

  • O. Adewale Osipitan

    (Northeast Research and Extension Center, Haskell Agricultural Laboratory, University of Nebraska-Lincoln, Concord, NE 68728, USA)

  • Ali Reza Safahani Langeroodi

    (Department of Agronomy, Payame Noor University, Tehran 19569, Iran)

  • Sara Marinari

    (Department for Innovation in Biological, Agro-Food and Forest System (DIBAF), University of Tuscia, Via San Camillo de Lelli ssnc., 01100 Viterbo, Italy)

  • Roberto Mancinelli

    (Department of Agricultural and Forestry Sciences (DAFNE), University of Tuscia, Via San Camillo de Lellis snc., 01100 Viterbo, Italy)

Abstract

Intensive agriculture practices often results in decomposition of organic matter, thus causing soil CO 2 emissions. Agro-ecological service crop could be profitably cultivated to improve soil characteristics and reduce CO 2 emissions under Mediterranean environment. Two-year field trials were conducted in central Italy. The treatments were three agro-ecological service crops (hairy vetch, oat, and oilseed rape) and a no-service cover. Plant development, soil characteristics, and CO 2 emissions were measured. Oat and oilseed rape showed a rapid growth, while hairy vetch started to grow rapidly only after the cold period. Soil CO 2 emissions trend was similar among the agro-ecological service crops and tended to decrease during the cold period, then gradually increased until April when warm temperatures were observed. The high soil CO 2 emissions and respiration index observed in hairy vetch probably stimulated mineral nutrients, especially nitrogen, to become more available in the soil compared to oat and oilseed rape throughout the decomposition of soil organic matter. These results confirmed that the cultivation of agro-ecological service crops, especially hairy vetch, could represent a suitable strategy for enhancing carbon sequestration and lead to a mitigation of CO 2 emissions during the fallow period and could thus contribute to the climate change mitigation.

Suggested Citation

  • Emanuele Radicetti & O. Adewale Osipitan & Ali Reza Safahani Langeroodi & Sara Marinari & Roberto Mancinelli, 2019. "CO 2 Flux and C Balance due to the Replacement of Bare Soil with Agro-Ecological Service Crops in Mediterranean Environment," Agriculture, MDPI, vol. 9(4), pages 1-13, April.
    • Handle: RePEc:gam:jagris:v:9:y:2019:i:4:p:71-:d:219222
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    References listed on IDEAS

    as
    1. Farina, Roberta & Testani, Elena & Campanelli, Gabriele & Leteo, Fabrizio & Napoli, Rosario & Canali, Stefano & Tittarelli, Fabio, 2018. "Potential carbon sequestration in a Mediterranean organic vegetable cropping system. A model approach for evaluating the effects of compost and Agro-ecological Service Crops (ASCs)," Agricultural Systems, Elsevier, vol. 162(C), pages 239-248.
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    Cited by:

    1. Roberto Mancinelli & Sara Marinari & Mariam Atait & Verdiana Petroselli & Gabriele Chilosi & Merima Jasarevic & Alessia Catalani & Zainul Abideen & Morad Mirzaei & Mohamed Allam & Emanuele Radicetti, 2023. "Durum Wheat–Potato Crop Rotation, Soil Tillage, and Fertilization Source Affect Soil CO 2 Emission and C Storage in the Mediterranean Environment," Land, MDPI, vol. 12(2), pages 1-15, January.

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