摘要 : Climatic and soil requirements; sowing and planting systems; transplanting dates; fertilizer and irrigation requirements; weed control methods; harvesting systems; and the incidence and control of fungal, bacterial and virus disea... 展开 Climatic and soil requirements; sowing and planting systems; transplanting dates; fertilizer and irrigation requirements; weed control methods; harvesting systems; and the incidence and control of fungal, bacterial and virus diseases, insect and mite pests, and disorders in lettuces grown outdoors and under protected cultivation are described, with particular reference to the Veneto region. Data on yield and quality characteristics of cultivars of 5 types of lettuce evaluated in outdoor trials in the region are tabulated. 收起