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Development of a manually operated organic and inorganic fertiliser applicator for smallholder farmers

Author

Listed:
  • Olayinka Omotosho

    (Land and Water Resources Management Programme, Institute of Agricultural Research and Training, Obafemi Awolowo University, Moor Plantation, Ibadan, Oyo State, Nigeria)

  • Adebayo Oke

    (Land and Water Resources Management Programme, Institute of Agricultural Research and Training, Obafemi Awolowo University, Moor Plantation, Ibadan, Oyo State, Nigeria)

  • Azarel Uthman

    (Land and Water Resources Management Programme, Institute of Agricultural Research and Training, Obafemi Awolowo University, Moor Plantation, Ibadan, Oyo State, Nigeria)

  • Adekunle Atta

    (Kenaf and Jute Improvement Programme, Institute of Agricultural Research and Training, Obafemi Awolowo University, Moor Plantation, Ibadan, Oyo State, Nigeria)

  • Emmanuel Ezaka

    (Land and Water Resources Management Programme, Institute of Agricultural Research and Training, Obafemi Awolowo University, Moor Plantation, Ibadan, Oyo State, Nigeria)

Abstract

This paper reports the design, fabrication and testing of a low-cost PVC-based manual fertiliser applicator (MFA) for the placement of granular and powdery fertilisers (organic and inorganic) at a required soil depth and plant spacing. The MFA consists of a spring-loaded trigger mechanism, a connecting tube and a knapsack plastic tank for the fertiliser storage, holding between 8.0-12.0 kg of fertiliser depending on the fertiliser's characteristics. The MFA was tested using four common fertilisers (NPK, SSP, Urea and organic manure) at different fertiliser moisture contents (3, 4, 5 and 6% w.b.). The results reveals that the MFA performed effectively in the fertiliser's discharges although it was significantly affected by the moisture content and fertiliser type. However, the MFA performed optimally when the moisture content was not above 4% (w.b.) giving optimal discharge values of 3.82, 3.45, 1.88 and 1.70 g per application for the NPK, SSP, urea, and pulverised organic fertilisers, respectively, at 4-7 cm application depths. Operators can, however, effectively determine the depth of placement and the number of applications during use based on agronomic recommendations.

Suggested Citation

  • Olayinka Omotosho & Adebayo Oke & Azarel Uthman & Adekunle Atta & Emmanuel Ezaka, 2021. "Development of a manually operated organic and inorganic fertiliser applicator for smallholder farmers," Research in Agricultural Engineering, Czech Academy of Agricultural Sciences, vol. 67(2), pages 51-57.
    • Handle: RePEc:caa:jnlrae:v:67:y:2021:i:2:id:39-2020-rae
    DOI: 10.17221/39/2020-RAE
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    References listed on IDEAS

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    1. K. M. Atikur Rahman & Dunfu Zhang, 2018. "Effects of Fertilizer Broadcasting on the Excessive Use of Inorganic Fertilizers and Environmental Sustainability," Sustainability, MDPI, vol. 10(3), pages 1-15, March.
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    Keywords

    volatilisation; MFA; NPK; SSP; urea;
    All these keywords.

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