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NITRATE REMOBILIZATION

Higher yield with less nitrogen fertilizer

Nature Plants volume 6, pages 1078–1079 (2020)Cite this article

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The excess application of nitrogen fertilizer in agriculture and the limitation of nitrogen uptake by crops raise the alarm about the urgency to breed crops with higher nitrogen use efficiency (NUE). Recently, a novel strategy has been developed to enhance NUE and crop production by manipulating nitrate remobilization.

Nitrogen (N) is a major limiting nutrient for plant growth and development, especially for crops in the agroecosystems. To increase crop yield, N fertilizer is applied, often at rates far greater than the rates at which crops can consume, resulting in a surplus of N in soils that consequently leads to environmental problems. Excess N and its associated negative environmental effects has become a global concern, hence researchers aim to develop efficient strategies such as increasing plant nitrogen use efficiency (NUE) to improve crop yield without the excessive inputs of N fertilizer.

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Fig. 1: NRT1.7p::NC4N::3’ improves plant growth and seed yield through enhancement of N remobilization and NUE at the vegetative and reproductive stages.

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Authors and Affiliations

  1. National Key Laboratory of Plant Molecular Genetics, CAS Centre for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academic of Sciences, Shanghai, China

    Nai-Qian Dong & Hong-Xuan Lin

  2. University of the Chinese Academy of Sciences, Beijing, China

    Hong-Xuan Lin

  3. School of Life Science and Technology, ShanghaiTech University, Shanghai, China

    Hong-Xuan Lin

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  1. Nai-Qian Dong
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  2. Hong-Xuan Lin
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Correspondence to Nai-Qian Dong or Hong-Xuan Lin.

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The authors declare no competing interests.

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Dong, NQ., Lin, HX. Higher yield with less nitrogen fertilizer. Nat. Plants 6, 1078–1079 (2020). https://doi.org/10.1038/s41477-020-00763-3

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  • DOI: https://doi.org/10.1038/s41477-020-00763-3

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