Shortened key growth periods of soybean observed in China under climate change

Abstract Phenology is an important indicator of global climate change. Revealing the spatiotemporal characteristics of crop phenology is vital for ameliorating the adverse effects of climate change and guiding regional agricultural production. This study evaluated the spatiotemporal variability of s...

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Autores principales:	Qinghua Tan, Yujie Liu, Liang Dai, Tao Pan
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/e08d0045ba3d43f78f2a6ff7ecfaa9b0
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spelling	oai:doaj.org-article:e08d0045ba3d43f78f2a6ff7ecfaa9b02021-12-02T15:51:11ZShortened key growth periods of soybean observed in China under climate change10.1038/s41598-021-87618-92045-2322https://doaj.org/article/e08d0045ba3d43f78f2a6ff7ecfaa9b02021-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-87618-9https://doaj.org/toc/2045-2322Abstract Phenology is an important indicator of global climate change. Revealing the spatiotemporal characteristics of crop phenology is vital for ameliorating the adverse effects of climate change and guiding regional agricultural production. This study evaluated the spatiotemporal variability of soybean’s phenological stages and key growth periods, and assessed their sensitivity to key climatic factors, utilizing a long-term dataset (1992–2018) of soybean phenology and associated meteorological data collected at 51 stations across China. The results showed that (1) during the soybean growing seasons from 1992 to 2018, the average temperature (0.34 ± 0.09 ℃ decade−1) and cumulative precipitation (6.66 ± 0.93 mm decade−1) increased, but cumulative sunshine hours (− 33.98 ± 1.05 h decade−1) decreased. (2) On a national scale, dates of sowing, emergence, trifoliate, anthesis, and podding of soybean were delayed, while the maturity date showed an advancing trend. The vegetative growth period (− 0.52 ± 0.24 days decade−1) and whole growth period (− 1.32 ± 0.30 days decade−1) of soybean were shortened, but the reproductive growth period (0.05 ± 0.26 days decade−1) was slightly extended. Trends in soybean phenological stages and key growth periods diverged in regions. Soybean phenological stages were delayed in Huang-Huai-Hai soybean zone, whereas advanced in southern soybean zone. Moreover, the key growth periods were greatly shortened in northern soybean zone. (3) In general, the sensitivity of soybean key growth periods to temperature was negative, whereas those to precipitation and sunshine hours differed among regions. In particular, most phenological stages were negatively sensitive to sunshine hours. Our results will provide scientific support for decision-making in agricultural production practices.Qinghua TanYujie LiuLiang DaiTao PanNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Qinghua Tan Yujie Liu Liang Dai Tao Pan Shortened key growth periods of soybean observed in China under climate change
description	Abstract Phenology is an important indicator of global climate change. Revealing the spatiotemporal characteristics of crop phenology is vital for ameliorating the adverse effects of climate change and guiding regional agricultural production. This study evaluated the spatiotemporal variability of soybean’s phenological stages and key growth periods, and assessed their sensitivity to key climatic factors, utilizing a long-term dataset (1992–2018) of soybean phenology and associated meteorological data collected at 51 stations across China. The results showed that (1) during the soybean growing seasons from 1992 to 2018, the average temperature (0.34 ± 0.09 ℃ decade−1) and cumulative precipitation (6.66 ± 0.93 mm decade−1) increased, but cumulative sunshine hours (− 33.98 ± 1.05 h decade−1) decreased. (2) On a national scale, dates of sowing, emergence, trifoliate, anthesis, and podding of soybean were delayed, while the maturity date showed an advancing trend. The vegetative growth period (− 0.52 ± 0.24 days decade−1) and whole growth period (− 1.32 ± 0.30 days decade−1) of soybean were shortened, but the reproductive growth period (0.05 ± 0.26 days decade−1) was slightly extended. Trends in soybean phenological stages and key growth periods diverged in regions. Soybean phenological stages were delayed in Huang-Huai-Hai soybean zone, whereas advanced in southern soybean zone. Moreover, the key growth periods were greatly shortened in northern soybean zone. (3) In general, the sensitivity of soybean key growth periods to temperature was negative, whereas those to precipitation and sunshine hours differed among regions. In particular, most phenological stages were negatively sensitive to sunshine hours. Our results will provide scientific support for decision-making in agricultural production practices.
format	article
author	Qinghua Tan Yujie Liu Liang Dai Tao Pan
author_facet	Qinghua Tan Yujie Liu Liang Dai Tao Pan
author_sort	Qinghua Tan
title	Shortened key growth periods of soybean observed in China under climate change
title_short	Shortened key growth periods of soybean observed in China under climate change
title_full	Shortened key growth periods of soybean observed in China under climate change
title_fullStr	Shortened key growth periods of soybean observed in China under climate change
title_full_unstemmed	Shortened key growth periods of soybean observed in China under climate change
title_sort	shortened key growth periods of soybean observed in china under climate change
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/e08d0045ba3d43f78f2a6ff7ecfaa9b0
work_keys_str_mv	AT qinghuatan shortenedkeygrowthperiodsofsoybeanobservedinchinaunderclimatechange AT yujieliu shortenedkeygrowthperiodsofsoybeanobservedinchinaunderclimatechange AT liangdai shortenedkeygrowthperiodsofsoybeanobservedinchinaunderclimatechange AT taopan shortenedkeygrowthperiodsofsoybeanobservedinchinaunderclimatechange
_version_	1718385663880986624

Shortened key growth periods of soybean observed in China under climate change

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