怎样适时浇好小麦越冬水,目前大多采用以日平均气温来确定。但各地提法不一,有的提出1—4℃,也有3—4℃、5℃或5—7℃等等。这个时期正是寒潮逐渐增强、天气变化无常,有时气温已达到要求,而地温的变化却显得缓慢,两者表现不能完全一致。山东海阳县行村公社四个气象哨通过两年试验,探索了运用地温变化规律来确定小麦 How timely poured winter wheat water, most of the current daily average temperature to determine. However, different localities, some raised 1-4 ℃, there are 3-4 ℃, 5 ℃ or 5-7 ℃ and so on. This period is the gradual increase of cold wave, the weather is fickle, sometimes the temperature has reached the requirement, and the change of geothermal temperature has become slow, the performance of the two can not be exactly the same. Shandong Haiyang County commune commune four meteorological posts through two years of tests to explore the use of temperature changes in the law to determine the wheat