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Hazard Analysis of Traditional Post-Harvest Operation Methods and the Loss Reduction Effect Based on Five Time (5T) Management: The Case of Rice in Jilin Province, China

Author

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  • Na Zhang

    (School of Biological and Agricultural Engineering, Jilin University, Changchun 130022, China)

  • Wenfu Wu

    (School of Biological and Agricultural Engineering, Jilin University, Changchun 130022, China
    School of Grain Science and Technology, Jilin Business and Technology College, Changchun 130507, China)

  • Yujia Wang

    (School of Biological and Agricultural Engineering, Jilin University, Changchun 130022, China)

  • Shuyao Li

    (School of Biological and Agricultural Engineering, Jilin University, Changchun 130022, China)

Abstract

Traditional post-harvest operation methods applied in rice fields lack advanced management knowledge and technology, which has led to post-harvest losses. We proposed the concept of Five Time (5T) management for the first time. 5T management divides the whole life cycle of rice into different growth time interval to complete process management. This paper mainly introduces the management of rice grain period, that is, the post-harvest management period, including the operation process management of harvesting, field stacking, drying, warehousing, and storing. In 2019, our research team formulated the 5T management method, which considers the entire post-harvest process, and carried out a pilot application of this method at the Jilin Rice Industry Alliance of Jilin Province. Moreover, to promote the 5T management method, our research team carried out follow-up experiments in rice production enterprises and found severe post-harvest rice losses. This paper combined a large number of literature and the basic theory research of rice post-harvest to analyze the traditional methods for post-harvest processing and the associated rice losses. By implementing the 5T management method, 4.33% of losses incurred during the T 1 harvesting period could be recovered. In the T 2 field period, drying rice within 48 h after harvesting could reduce losses by 2.5%. In the T 3 drying period, the loss rate could be reduced by 1.6% if traditional drying methods were replaced by mechanical drying and by 0.6% if cyclic drying was implemented to prevent over-drying. In the T 5 storage period, the loss rate of 7% could be reduced by adopting advanced grain storage technologies such as low-temperature storage. Overall, the rice loss rate could be reduced by 15.43%, which is equivalent to a yield of 32.68 million tonnes of rice. The important factors in each period are strictly controlled in the 5T management method to prevent the post-harvest losses caused by flawed concepts and improper management and to increase the amount of usable fertile land.

Suggested Citation

  • Na Zhang & Wenfu Wu & Yujia Wang & Shuyao Li, 2021. "Hazard Analysis of Traditional Post-Harvest Operation Methods and the Loss Reduction Effect Based on Five Time (5T) Management: The Case of Rice in Jilin Province, China," Agriculture, MDPI, vol. 11(9), pages 1-21, September.
  • Handle: RePEc:gam:jagris:v:11:y:2021:i:9:p:877-:d:634639
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    References listed on IDEAS

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    1. Sheahan, Megan & Barrett, Christopher B., 2017. "Review: Food loss and waste in Sub-Saharan Africa," Food Policy, Elsevier, vol. 70(C), pages 1-12.
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    Cited by:

    1. Yujia Wang & Wenfu Wu & Zidan Wu & Na Zhang & Shuyao Li & Xianmei Meng, 2022. "Revealing a Significant Latent Loss of Dry Matter in Rice Based on Accurate Measurement of Grain Growth Curve," Agriculture, MDPI, vol. 12(4), pages 1-12, March.
    2. Shuyao Li & Wenfu Wu & Yujia Wang & Na Zhang & Fanhui Sun & Feng Jiang & Xiaoshuai Wei, 2023. "Production Data Management of Smart Farming Based on Shili Theory," Agriculture, MDPI, vol. 13(4), pages 1-26, March.

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