北京杂交稻麦茬制种成功北京市农林科学院作物研究所水稻育种组育成的早熟高产杂交粳稻新组合“京优６号”于１９９３年通过品种审定后，在京郊通县马驹桥镇周营村首创杂交稻麦茬制种获得成效。在冬小麦亩产３５０～４００公斤的条件下，制种田亩产达１５０公斤以上，每亩... Beijing hybrid rice stubble success Beijing Academy of Agriculture and Forest Crops Institute of Rice Breeding group of early maturing and high-yielding hybrid japonica rice new combination “Jingyou 6” passed the variety in 1993 after the approval, Achievements of the village’s first hybrid rice stubble seed production. Under the condition of 350-400 kg of winter wheat per mu, the production of mu produce more than 150 kg per acre,