夏阳白５０天白菜高效栽培技术徐耀，潘淑珑，潘秀珍（洛阳市农业技术推广站，洛阳４７１００２）夏阳白５０天是从日本引进的一种速生型杂交种白菜，具有抗热性强，喜湿润，包心好，净菜率高等特点。在洛阳地区种植，生育期６０天左右，平均单株重１．５～２ｋｇ，最大单... Xia Yangbai 50 days cabbage efficient cultivation techniques Xu Yao, Pan Shu Long, Pan Xiuzhen (Luoyang City Agricultural Technology Extension Station, Luoyang 471002) Xia Yang white 50 days is a fast-growing hybrid cabbage introduced from Japan, with high heat resistance, hi Moist, good heart package, the net rate of higher characteristics. Planting in Luoyang, the growth period of about 60 days, the average weight per plant 1.5 ~ 2kg, the largest single ...