Abstract:
In the present research, two models evaluated seven winter cereals leaf area variation pattern in
2013/2014/2015 growing season in Iran. Bread wheat, durum wheat, barley include two-rowed
barley, six-rowed and hull less barley, oat and triticale were investigated at two nitrogen fertilizer
application rates, zero and optimum in a factorial completely randomized block design with four
replications. Two logistic and beta models have been fitted to field data. The results showed that
leaf area variation pattern has been described very well by both models logistic and beta.
According to R2
, RMSE value and models coefficients, Logistic model can be introduced as the
suitable model for describing the leaf area pattern variations.
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