Agricultural system models are tools to represent and understand major processes and their interactions in agricultural system.We used the Decision Support System for Agrotechnology Transfer(DSSAT) with four different tillage treatments data from a study in west Henan of China to evaluate winter wheat yield,leaf area index and water balance.The model was calibrated using the data of field experiment.The site had a winter wheat-fallow-winter wheat rotation.The treatments were:(1) decrease tillage(DT),10~15 c...
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