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Revista Ciencias Técnicas Agropecuarias
versão On-line ISSN 2071-0054
Resumo
TORNES OLIVERA, Norge; BROWN MANRIQUE, Oscar; GOMEZ MASJUAN, Yarisbel e GUERRERO ALEGA, Arnaldo Manuel. Evaluation of AquaCrop model in crop dry bean growth simulation. Rev Cie Téc Agr [online]. 2016, vol.25, n.3, pp. 23-30. ISSN 2071-0054. http://dx.doi.org/10.13140/RG.2.2.30090.06080.
Investigation was carried out from November, 2013 to march 2014, the purpose of this investigation is to evaluate AquaCrop model simulation of canopy cover, dry biomass and soil water balance in dry bean crop. The area of investigation belonging to UBPC Grito de Yara, belonging to Yara county of Granma province. The investigation area was a plot, with nine furrows with 0.8 m width and 100 m length. The plot was divided into 3 subplots with 33 m of length, central furrow of each subplot were utilized for measurement. Variety Delicias 360 was sown 20 december of 2013, with 0,5 m of plant spacing and 0,8 m of row spacing. Canopy cover (CF), dry biomass (BSA) and soil water content (CHS) evolution simulated by AquaCrop model were similar in tendency and absolute values to that observed. Considering as a criteria statistical indicator R2 (0,81; 0,95; 0,99), RMSE (13,4; 0,45;7,3), NRMSE (19,3; 17,0; 7), EF(0,8; 0,94; 0,63) y d (0,95; 0,98; 0,92) for variable CF, BSA y CHS, it can be seen that the AquaCrop model can adequately simulate an observed variable
Palavras-chave : statistical indicators; biomass; canopy cover.