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首页> 外文期刊>Journal of Cleaner Production >Impact of climate change and crop management on cotton phenology based on statistical analysis in the main-cotton-planting areas of China
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Impact of climate change and crop management on cotton phenology based on statistical analysis in the main-cotton-planting areas of China

机译：气候变化与作物管理对中国棉花地区统计分析的基于统计分析的影响

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摘要

Phenology is one of the prominent indicators for studying the impact of climate change on crop pro-duction. Based on cotton phenology and meteorological data from 79 agricultural weather stations in China between 1981 and 2017, the Pearson correlation, multi-variate linear regression and path analysis are applied to investigate the spatial and temporal changes of cotton phenological indices and climate variables (precipitation (Pre), sunshine duration (Sun), average (Tave), minimum (Tmin) and maximum temperatures (Tmax), influence degrees of Pre, Sun, and Tave on phenology, and isolated effects of climate change and crop management on cotton phenology. The results showed that: (1) Emergence (Eme), squaring (Squ), flowering (Flo), and boll opening (Bol) dates of cotton advanced by 0.026-0.351 days year?1, respectively. The cotton sowing (Sow) and maturity (Mat) dates were delayed by 0.170 and 0.337 days year?1. The average phenological stages from Sow-Eme, Squ-Flo, and Flo -Bol were shortened about 0.19-0.30 days year?1, Eme-Squ, Bol -Mat and the Sow-Mat were delayed by 0.11, 0.77, and 0.082 days year?1, respectively. (2) Pre had a positive effect on most of the lengths phenological stages of cotton except during Bol -Mat. The effect of Sun on the length of the various phenological stages of cotton was the opposite of that of Pre. Tave, Tmin, and Tmax on the general negative effects on the length of the cotton phenological stages. (3) Pre, Sun, and Tave had different influence degrees on the cotton phenological stages because of different regional climate characteristics. (4) The impact of climate change on cotton phenology was weaker than crop management or combined effects of climate change and crop man-agement. Under the combined impacts, and isolated impact of crop management, the lengths of the stages from Sow-Eme and Squ-Flo were shortened while other phenological stages were extended. The isolated impact of climate change shortened the lengths of stages from Sow-Eme, Eme-Squ, and Flo -Bol, extended Squ-Flo, Bol -Mat, and Sow-Mat, implying that the longer-duration cotton varieties in a changing climate might be a better choice for planting. This could be a viable strategy for adapting to climate change. In addition, the study found that Seed cotton yield (Scy) decreased with the delay of Sow, Eme, Squ, Flo and Bol dates, increased with the increase of the lengths of Sow-Eme, Flo -Bol, Bol -Mat and Sow- Mat. And the change trend of Scy affected by climate change was less than that affected by crop man-agement or combined effects. (c) 2021 Elsevier Ltd. All rights reserved.commentSuperscript/Subscript Available/comment
机译：吩咐是研究气候变化对作物产量的影响的突出指标之一。 1981年至2017年间中国79家农业气象站的棉花候选和气象数据，Pearson相关性，多变化线性回归和路径分析应用于调查棉才能和气候变量的空间和时间变化（降水（ PRE），阳光持续时间（太阳），平均（派对），最小（TMIN）和最大温度（TMAX），对苯上的候选，太阳和助理的影响程度，以及气候变化和作物管理对棉酚类的影响。结果表明：（1）出现（EME），平方（SQU），开花（FLO）和棉铃开口（BOL）棉花的日期分别为0.026-0.351天？1。棉播种（播种）和成熟（Mat）日期延迟0.170和0.337天？1.播种母猪，Squ-Flo和Flo-leg的平均鉴别阶段缩短约0.19-0.30天？1，EME-SQU，BOL -mat和母猪垫被延迟0.11,0.77和0.082天年？1分别。 （2）除了在BOL -MAT期间，PRE对棉花的大部分长度纯度阶段进行积极影响。太阳对棉花各种鉴别阶段的长度的影响与前面的各种酚类阶段相反。纳入，Tmin和Tmax对棉酚醛阶段的长度的一般负面影响。 （3）由于区域气候特征不同，预先，太阳和萨沃斯对棉毒性阶段的影响程度不同。 （4）气候变化对棉酚的影响比作物管理或气候变化和作物人类的综合影响较弱。在作物管理的综合影响和孤立的影响下，播种母猪和Squ-Flo的阶段的长度被缩短，而其他毒性阶段延长。气候变化的孤立影响缩短了母猪，eme-squ和flo -bol，延长的squ-flo，bol -mat和播种垫的阶段的长度，这意味着更长持续时间的棉花品种气候可能是种植的更好选择。这可能是适应气候变化的可行策略。此外，该研究发现，随着母猪，SUM，SQU，FLO和BOL日期的延迟，种子棉花产量（SCY）减少，随着SOW-EME，FLO -BOL，BOL -MAT和SOW的长度的增加而增加 - 垫子。受气候变化影响的SCY的变化趋势低于作物人类绩效或组合效应的影响。 （c）2021 elestvier有限公司保留所有权利。＆评论＆上标/下标可用＆ /评论

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  • 来源
    《Journal of Cleaner Production》 |2021年第20期|126750.1-126750.19|共19页
  • 作者

    Li Na; Li Yi; Biswas Asim; Wang Jinghong; Dong Hezhong; Chen Jinhua; Liu Chuncheng; Fan Xiangyang;

  • 作者单位

    Northwest A&F Univ Inst Water & Soil Conservat State Key Lab Soil Eros & Dryland Farming Loess P Yangling 712100 Shaanxi Peoples R China|Northwest A&F Univ Coll Water Resources & Architectural Engn Yangling 712100 Shaanxi Peoples R China;

    Northwest A&F Univ Coll Water Resources & Architectural Engn Yangling 712100 Shaanxi Peoples R China|Northwest Agr & Forestry Univ Key Lab Agr Water & Soil Engn Educ Minist Yangling 712100 Shaanxi Peoples R China;

    Univ Guelph Sch Environm Sci Guelph ON N1G 2W1 Canada;

    Shaanxi Meteorol Serv Ctr Agr Remote Sensing & Econ Crops Xian 710015 Peoples R China;

    Shandong Acad Agr Sci Cotton Res Ctr Jinan 250100 Shandong Peoples R China|Shandong Normal Univ Coll Life Sci Jinan 250014 Shandong Peoples R China;

    Anhui Agrometeorol Ctr Auhui Rural Comprehens Econ Informat Ctr Hefei 230031 Anhui Peoples R China;

    CAAS Inst Farmland & Irrigat Key Lab Water Saving Irrigat Engn Minist Agr Xinxiang 453002 Henan Peoples R China;

    CAAS Inst Farmland & Irrigat Key Lab Water Saving Irrigat Engn Minist Agr Xinxiang 453002 Henan Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Climate change; Crop management; Cotton phenology; Seed cotton yield; Statistical analysis;

    机译：气候变化;作物管理;棉花素质;种子棉花产量;统计分析;

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