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Using locally available fertilisers to enhance the yields of swidden farmers in Papua New Guinea

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  • Hazenbosch, Mirjam
  • Sui, Shen
  • Isua, Brus
  • Beauchamp, Emilie
  • Frouz, Jan
  • Imale, Kiole
  • Jimbudo, Mavis
  • Milner-Gulland, E.J.
  • Novotný, Vojtěch
  • Veselá, Hana
  • Morris, Rebecca J.

Abstract

Swidden agriculture (a type of small-scale agriculture) is crucial to the livelihood and food security of millions of people in tropical regions. Social-ecological changes, including population growth and anti-swidden policies, are putting pressure on the existing swidden system to increase agricultural productivity in a sustainable way. Enhancing soil fertility is a promising option for increasing crop yields and extending lifetimes of agricultural fields, thereby reducing the demand to clear new land. However, there is limited information on how swidden farmers can best maintain soil fertility.

Suggested Citation

  • Hazenbosch, Mirjam & Sui, Shen & Isua, Brus & Beauchamp, Emilie & Frouz, Jan & Imale, Kiole & Jimbudo, Mavis & Milner-Gulland, E.J. & Novotný, Vojtěch & Veselá, Hana & Morris, Rebecca J., 2021. "Using locally available fertilisers to enhance the yields of swidden farmers in Papua New Guinea," Agricultural Systems, Elsevier, vol. 192(C).
    • Handle: RePEc:eee:agisys:v:192:y:2021:i:c:s0308521x21000421
    DOI: 10.1016/j.agsy.2021.103089
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    References listed on IDEAS

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    1. Mukul, Sharif A. & Herbohn, John, 2016. "The impacts of shifting cultivation on secondary forests dynamics in tropics: A synthesis of the key findings and spatio temporal distribution of research," Environmental Science & Policy, Elsevier, vol. 55(P1), pages 167-177.
    2. Mertz, Ole & Wadley, Reed L. & Nielsen, Uffe & Bruun, Thilde B. & Colfer, Carol J.P. & de Neergaard, Andreas & Jepsen, Martin R. & Martinussen, Torben & Zhao, Qiang & Noweg, Gabriel T. & Magid, Jakob, 2008. "A fresh look at shifting cultivation: Fallow length an uncertain indicator of productivity," Agricultural Systems, Elsevier, vol. 96(1-3), pages 75-84, March.
    3. O'Sullivan, J.N. & Asher, Colin J. & Blarney, F.P.C., 1997. "Nutrient Disorders of Sweet Potato," Monographs, Australian Centre for International Agricultural Research, number 117165.
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    Cited by:

    1. Hazenbosch, Mirjam & Sui, Shen & Isua, Brus & Milner-Gulland, E.J. & Morris, Rebecca J. & Beauchamp, Emilie, 2022. "The times are changing: understanding past, current and future resource use in rural Papua New Guinea using participatory photography," World Development, Elsevier, vol. 151(C).

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