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Information Journal Paper

Title

EVALUATION OF DSSAT MODEL FOR POTENTIAL YIELD PREDICTION OF POTATO (SOLANUMTUBEROSUM) UNDER AUTUMN CROPPING SYSTEM (CASE STUDY: JIROFT, IRAN)

Pages

  893-905

Abstract

 Crop SIMULATION MODELs are advanced tools to estimate crop yield and optimizing of crop managementpractices. This study was conducted in order to evaluate DSSAT MODEL under AUTUMN CROPPING SYSTEMcondition in Jiroft, Iran, 2012-2014. The field experiment which repeated in two sequential years andthree replications were performed as randomized complete block design in split plots. The main factorwas planting date (17th, 23th, 29th September and 5th October) and its subfactor was potato cultivars(Sante, Satina and Boren). Data of first and second years of field experiment was applied respectively forcalibration and evaluation of MODEL. Data-base requirement for MODEL was created from 1. climatic dataincludes: temperature, radiation, relative humidity, wind and precipitation; 2. crop data attained from fieldexperiment, 3. soil data. Results of statistical evaluation of MODEL showed the good fitness of simulatedand actual yield performance. Simulated tuber yields were similar to their observed value with RMSE of19% (1210 kg/ha) and high correlation between observed and simulated tuber yield (R2>0. 9). Simulatedbiomass had 2673. 5 kg/ha difference to its observed value that showed low estimation precision(RMSE>30%). This MODEL couldn’ t predict tuber initiation stage correctly (RMSE>30%). Therefore, itwas concluded that DSSAT MODEL predicted potato yield correctly but due to weak precision inestimation of phenological stage, had low assurance for use in AUTUMN CROPPING SYSTEM of potato underAUTUMN CROPPING SYSTEM in Jiroft region.

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    APA: Copy

    TAEI SEMIROMI, JAVAD, AMIRI, EBRAHIM, AEEN, AHMAD, BORUMAND, NASER, & JOWKAR, MEHRANGIZ. (2018). EVALUATION OF DSSAT MODEL FOR POTENTIAL YIELD PREDICTION OF POTATO (SOLANUMTUBEROSUM) UNDER AUTUMN CROPPING SYSTEM (CASE STUDY: JIROFT, IRAN). JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE), 19(4 ), 893-905. SID. https://sid.ir/paper/209587/en

    Vancouver: Copy

    TAEI SEMIROMI JAVAD, AMIRI EBRAHIM, AEEN AHMAD, BORUMAND NASER, JOWKAR MEHRANGIZ. EVALUATION OF DSSAT MODEL FOR POTENTIAL YIELD PREDICTION OF POTATO (SOLANUMTUBEROSUM) UNDER AUTUMN CROPPING SYSTEM (CASE STUDY: JIROFT, IRAN). JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE)[Internet]. 2018;19(4 ):893-905. Available from: https://sid.ir/paper/209587/en

    IEEE: Copy

    JAVAD TAEI SEMIROMI, EBRAHIM AMIRI, AHMAD AEEN, NASER BORUMAND, and MEHRANGIZ JOWKAR, “EVALUATION OF DSSAT MODEL FOR POTENTIAL YIELD PREDICTION OF POTATO (SOLANUMTUBEROSUM) UNDER AUTUMN CROPPING SYSTEM (CASE STUDY: JIROFT, IRAN),” JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE), vol. 19, no. 4 , pp. 893–905, 2018, [Online]. Available: https://sid.ir/paper/209587/en

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