2005一2024年阿拉尔垦区棉花物候期变化特征分析

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中图分类号 S162；S562 文献标识码A 文章编号 1007-7731（2025）20-0048-04

DOI号10.16377/j.cnki.issn1007-7731.2025.20.012

AbstractBasedon coton phenological data（sowing，emergence，squaring，flowering，boll spliting，bollopening， and growth cessation）from the Alar reclamation area in Xinjiang from 2OO5 to2O24，the characteristicsof cotton phenological changes in the region were analyzed using methods such as linear regresson analysis and cumulative anomalyanalysis.Theresults indicated that during 2Oo5—2O24，the total number of days inthe cotton phenological period showed a change tendency rateof-1.865d/10a，reflecting an overalladvancing trend.The various phenological stages were concentrated between April and November，with clear seasonal trends.Among them，the squaring stage exhibitedadelayed trend，whileallotherphenologicalstagesadvanced tovaryingdegrees，withthebollopeningstage showing the most significant advance，having a tendency rate of -7.060 d/10 a.The phenological phases exhibited significant dynamic changes.The sowing and emergence periods showed a delaying trend from 2OO5 to 2011， followed by an advancing trend from 2011 to 2O21.The squaring and flowering stages displayed fluctuating patterns.From 2005 to 2015，thebollspliting and boll opening periods exhibiteda delaying trend，which shifted to asignificant advancingtrend after 2O15.The growth cessation periods exhibited a“high-low-high-low"dynamic change but demonstratedanoveralladvancing trend.The findingsof this study provideareference forcotton productior management in the study area.

Keywordscotton;phenology;variation characteristics;Alar reclamationarea

棉花作为重要的经济作物之一，其生产不仅保障了纺织工业的基础供给，更串联起种植、加工和制造等关键环节，对推动农业发展具有重要作用。（剩余3877字）