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玉米是一种高产作物,适当地改换玉米良种,可以更快更多地挖掘玉米增产潜力。从目前来说,积极推广现有玉米优良品种(特别是马齿型的优良品种),大力选配玉米品种间杂交种
Corn is a high-yielding crop that has the potential to increase corn production faster and more by changing corn seeds properly. For now, actively promote the existing varieties of fine corn (especially the excellent varieties of dent), vigorously matching maize varieties of hybrids