靖边属陕北玉米主产区之一。
Jingbian County is one of the major corn producing areas in North Shaanxi.
西南玉米区是我国三大玉米主产区之一，分别占全国玉米总面积、总产量的30%左右。
Southwest maize zone is one of the largest maize zone of China, Ac counting for about 30% of total area and total output of the nation.
本文采用非参数估计的信息扩散模型测算了我国粮食主产区水稻、玉米、小麦和棉花产量损失风险水平。
The paper applied the information diffusion model of non-parametric estimation to project the level of productivity risks for cereals, rice, corn and wheat at major grain-producing area.
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