大白菜新品种──北京新２号和北京新３号北京新２号和北京新３号是北京蔬菜研究中心近年来推广的晚熟和中晚熟优良一代杂种。两个新品种的共同特点是：植株生长整齐一致、抗病、丰产、结球紧实、品质好、耐贮藏。经北京市区试和生产试验结果表现良好，现已在北京大面积推... New Chinese cabbage ─ ─ Beijing New 2 and Beijing New 3 Beijing New 2 and Beijing New 3 Beijing Vegetable Research Center in late years to promote the late-maturity and good middle-maturing hybrids. Common features of the two new varieties are: plant growth and orderly, disease resistance, high yield, tight knot, good quality, storage resistance. After the Beijing municipal test and production test results performed well, is now a large area in Beijing push ...