基于Gompertz模型营养面积对稻株性状的模拟分析

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中图分类号：S511 文献标志码：A

Simulationanalysisofriceplanttraitsbasedonthenutrient areaofGompertzmodel

LIHuan-qun1，LIXu-meng12，CHENZhao-zhong3，DUANShao-kun1， WUXia1，WANGXiao-hui2

（CollegeofAgriculture，HunanAgriculturalUniversity、Changsha，Hunan410128，China；CollgeofInformation andInteligentScienceandTechnology，HunanAgriculturalUniversity，Changsha，Hunan410128，China; 3GansuHuartgyangheGroupFoodCo.，Ltd.，Wuwei，Ganisu733008，China）

Abstract：[Objective]Thisstudysystematicallyinvestigatestheinfluenceofnutrientareaontheabovegrounddry matteraccumulationandyieldofriceplantsusingtheGompertzmodel，aimingtoprovidetheoreticalbasisforthemeasurementmetbodofthenon-uniformityofricepitdistributionandtheprecisecultivationofhigh-yieldrice.[Method] Fieldexperimentswereconductedusing2ricecultivars：theconventionallate-seasonvarietyNongxiang42andthehy bridlate-seasonvarietyTaiyou398.Ricewastransplantedusingadouble-seedlingcastingmethodunder9plartingdensitylevels（140，120，100，60，40，28，20，12and8hil/m2）to.createlocallyheterogeneousplantdistributionpattens. Atthegreningstageof6-12daftertransplantion，orthophotos.oftheexperimentalplotswereacquiredusingunmanned aerialvebicles（UAV）aerialriceplantsitnageandstichingsofiware.Thericeplantidentifieationalgorithm，iherice plantpositioncalibrationalgorithmandVoronoidiagramwereappliedtodividethenutrienlareaofthericeplantsnndcal。（剩余20914字）