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萝卜空心症的原因是萝卜本身缺硼而造成一种营养生理症状。针对这种原因,在萝卜生长发育中,用0.2-0.3％浓度的硼砂或硼酸溶液进行叶面喷施,在冬末春初,每隔7至10天喷1次。经过这样的处理办法,萝卜就不会空心。
Radish hollow heart disease is the lack of boron radish itself caused a nutritional and physiological symptoms. For this reason, in the radish growth and development, with 0.2-0.3% concentration of borax or boric acid solution for foliar spray, in the late winter and early spring, spraying once every 7 to 10 days. After this approach, radishes will not be hollow.