大根,又叫白萝卜,七寸白,是我国较早栽培的一种根茎蔬菜。许多国家从中国引进后,繁育出不少变种,大致分为纯白和青首两种。近年来,由外贸加工企业引入栽培,后收获加工出口到其他国家,如日本、南韩等国,赚取外汇,同时也给栽培者带来利润。由于国际市场需求量较大,而大根又不耐贮存,只靠秋季栽培供应市场显得过于集 Large roots, also known as white radish, seven inches white, is our earlier cultivation of a rhizome of vegetables. After the introduction of many countries from China, many varieties have been bred and broadly divided into two categories: pure white and green. In recent years, foreign trade processing enterprises to introduce cultivation, harvest processing exports to other countries, such as Japan, South Korea and other countries to earn foreign exchange, but also to growers to bring profits. Due to the large demand in the international market, while the big root is not resistant to storage, rely on autumn cultivation supply market appears to be too