Calibration and validation of FAO-AquaCrop model to estimate the total biomass and yacon root yield

作     者：Ramon Amaro de Sales Alexandre Cândido Xavier Evandro Chaves de Oliveira Fábio Luiz de Oliveira Diego Mathias Natal da Silva Sávio da Silva Berilli 

作者机构：Departament of Plant ScienceFederal University of ViçosaMinas GeraisBrazil Center of Agrarian Sciences and EngineeringFederal University of Espirito SantoEspírito SantoBrazil Federal Institute of EducationScience and Technology of Espírito Santo-Campus ItapinaEspírito SantoBrazil Federal Institute of EducationScience and Technology of Southeast Minas Gerais-Campus ManhuaçuMinas GeraisBrazil 

出 版 物：《International Journal of Agricultural and Biological Engineering》 (国际农业与生物工程学报（英文）)

年 卷 期：2020年第13卷第3期

页      面：123-128页

核心收录：

学科分类：0710[理学-生物学] 0810[工学-信息与通信工程] 0502[文学-外国语言文学] 050201[文学-英语语言文学] 05[文学] 0805[工学-材料科学与工程（可授工学、理学学位）] 0812[工学-计算机科学与技术（可授工学、理学学位）] 

基　　金：Coordenação de Aperfeiçoamento de Pessoal de Nível Superior, CAPES Conselho Nacional de Desenvolvimento Científico e Tecnológico, CNPq 

主　　题：Smallanthus sonchifolius root yield simulation modelling agrometeorology 

摘      要：Due to the current water scarcity in the world,it is extremely important to improve the use of this natural and exhaustible resource in agriculture,by contributing to increase agricultural production and *** models of crop growth simulation were developed to predict the edaphoclimatic effects on crop *** models are calibrated and validated for a given region using the data generated from field ***,the objective of this study was to calibrate and validate the FAO AquaCrop model for yacon(Smallanthus sonchifolius)crop in a tropical *** experiment was conducted in an experimental area located in the municipality of Ibatiba,state of Espírito Santo(Brazil)during the years of 2013 and *** calibration was done using the Autumn planting and validation with the Winter and Spring *** the statistical analysis,the coefficient of determination,Willmott concordance index,bias for the systematic error,root mean square error and the mean absolute error to test the model performance were *** general,the FAO AquaCrop model predicted the root yield,total biomass and harvest index with acceptable accuracy,and with deviations of less than 6%for total and root *** planting of yacon showed a reduction in yield as well as total biomass.