河北省低平原中低产类型区种植结构调整过程及趋势分析

胡景辉孙丽敏贺秀珍马淑玲

Research on the Development and Tendency of Planting Structure Adjustment in Middle-Low Productive Farmland in Low Land Areas of Hebei

北方农业学报 . 2013, (5): 39 -39 .