近年来，小麦冻害在我地频繁发生，已成为制约我省淮北麦区小麦持续增产的主要障碍因子。为此，笔者自１９８７年以来，对小麦冻害进行了系统调查。结果表明，小麦冻害在我地发生主要为两种，即冬季冻害和早春冻害，并达到两年一遇。针对这两种冻害的发生特点，提出了相应的预 In recent years, the frost damage of wheat frequently occurs in our country and it has become the main obstacle factor that restricts the wheat yield in Huaibei wheat area in our province. To this end, the author since 1987, conducted a systematic investigation of frost damage in wheat. The results showed that there were mainly two types of frost damage in wheat in my area, namely, frost damage in winter and frost damage in early spring, reaching a one-year event. In view of the characteristics of the two frost damage, put forward the corresponding pre-