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Adjusting Sowing Dates Improved Potato Adaptation to Climate Change in Semiarid Region, China

Author

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  • Qi Hu

    (College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China
    Department of Geography, University of North Texas, Denton, TX 76203, USA)

  • Ning Yang

    (Huairou District Branch, Beijing Meteorological Bureau, Beijing 101400, China)

  • Feifei Pan

    (Department of Geography, University of North Texas, Denton, TX 76203, USA)

  • Xuebiao Pan

    (College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China)

  • Xiaoxiao Wang

    (College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China)

  • Pengyu Yang

    (College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China)

Abstract

Yields of rainfed potato ( Solanum tuberosum L.) in China’s semiarid region are restricted by limited precipitation. Climate change could cause significant fluctuation in the rain-fed agricultural production due to the spatiotemporal changes in temperature and precipitation. As adjusting sowing dates proved to be an important management technique for improving grain yields, we examined how potato production can be improved by altering planting date in China’s semiarid region, thus improving potato adaptation to climate change. Field trials with five target sowing dates (from late April to early June) were carried out in Inner Mongolia, China during four growing seasons (2010–2013), and the effects of sowing dates on potato development, yield and water use efficiency (WUE) were estimated. Results showed that although delayed sowing shortened the duration of potato growth period, non-significant thermal time differences after flowering stage was found among the treatments. However, greater precipitation was shown in three intermediate treatments. Potato yield was significantly affected by sowing dates, and intermediate sowing dates showed greater yield compared to the earlier or later sowing dates. Delayed sowing dates significantly improved WUE in a drier year. As for a normal year, earlier sowing dates promoted WUE because of less water consumption, but these increases came at the cost of reducing yields. Under the current climate conditions in the study area, the flexible sowing time for potato was determined as from early May to early June, and optimum sowing time was between 10 May and 27 May. In conclusion, adjusting sowing date affected duration, thermal time, and precipitation over potato growth period, and the optimal sowing date exhibited higher yield by obtaining greater precipitation, which could improve potato adaption to climate change.

Suggested Citation

  • Qi Hu & Ning Yang & Feifei Pan & Xuebiao Pan & Xiaoxiao Wang & Pengyu Yang, 2017. "Adjusting Sowing Dates Improved Potato Adaptation to Climate Change in Semiarid Region, China," Sustainability, MDPI, vol. 9(4), pages 1-12, April.
    • Handle: RePEc:gam:jsusta:v:9:y:2017:i:4:p:615-:d:95965
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    References listed on IDEAS

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    Cited by:

    1. Ma, Qianhu & You, Yongliang & Shen, Yuying & Wang, Zikui, 2024. "Adjusting sowing window to mitigate climate warming effects on forage oats production on the Tibetan Plateau," Agricultural Water Management, Elsevier, vol. 293(C).
    2. Na Huang & Jialin Wang & Yu Song & Yuying Pan & Guolin Han & Ziyuan Zhang & Shangqian Ma & Guofeng Sun & Cong Liu & Zhihua Pan, 2022. "The adaptation mechanism based on an integrated vulnerability assessment of potato production to climate change in Inner Mongolia, China," Mitigation and Adaptation Strategies for Global Change, Springer, vol. 27(3), pages 1-19, March.
    3. Tang, Jianzhao & Bai, Huizi & Zhang, Xinjun & Wang, Rende & Guo, Fenghua & Xiao, Dengpan & Zhou, Haitao, 2022. "Reducing potato water footprint by adjusting planting date in the agro-pastoral ecotone in North China," Ecological Modelling, Elsevier, vol. 474(C).
    4. Ning Wang & Yingying Xing & Xiukang Wang, 2019. "Exploring Options for Improving Potato Productivity through Reducing Crop Yield Gap in Loess Plateau of China Based on Grey Correlation Analysis," Sustainability, MDPI, vol. 11(20), pages 1-14, October.
    5. Jinpeng Yang & Yingbin He & Shanjun Luo & Xintian Ma & Zhiqiang Li & Zeru Lin & Zhiliang Zhang, 2021. "Optimizing the Optimal Planting Period for Potato Based on Different Water-Temperature Year Types in the Agro-Pastoral Ecotone of North China," Agriculture, MDPI, vol. 11(11), pages 1-13, October.
    6. Zunfu Lv & Yan Zhu & Xiaojun Liu & Hongbao Ye & Yongchao Tian & Feifei Li, 2018. "Climate change impacts on regional rice production in China," Climatic Change, Springer, vol. 147(3), pages 523-537, April.
    7. Yingying Xing & Xiaoli Niu & Ning Wang & Wenting Jiang & Yaguang Gao & Xiukang Wang, 2020. "The Correlation between Soil Nutrient and Potato Quality in Loess Plateau of China Based on PLSR," Sustainability, MDPI, vol. 12(4), pages 1-17, February.

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