在张家口市利用早春种塑料小拱棚水萝卜,可比露地水萝卜提早15天上市,既能弥补早春淡季蔬菜供应不足,又能提高经济效益。其主要种植技术是:一、品种选择早熟或中早熟耐性强的五缨、六缨、娃娃粉等优 In Zhangjiakou City, the use of early spring plastic small shed water radish, radish can be listed 15 days earlier than the market, both to make up for early spring low season vegetable supply, but also improve economic efficiency. The main planting techniques are: First, the choice of varieties of precocious puberty or early in the five-tassel, six tassels, doll powder, etc.