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迁安市迁安镇农业站，１９９９年建立粮田套种，优质大白菜示范区２００ｈｍ２（公顷），通过采取选用抗病品种，使用生物农药，应用高效低毒化防技术，科学施肥等措施，喜获丰收，６６７ｍ２产值达１５００元，比一般常规种植的普通大白菜增收３００元。 一、选用抗病品种 引
Qian’an Qian’an Agricultural Station was established in 1999. In 1999, 200hm2 (hectare) of high-quality Chinese cabbage intercropping and high-quality Chinese cabbage demonstration area was established. By adopting such measures as selecting disease-resistant varieties, using biological pesticides, applying high efficiency and low toxicity anti-technology and scientific fertilization, Receive a bumper harvest, 667m2 output value of 1,500 yuan, than the average general planted ordinary cabbage income 300 yuan. First, the selection of resistant varieties cited