鲁西北平原地区有两个基本特点:一是冬季雨雪稀少,春季少雨多风,冬春常常形成干旱。据济南、德州、寿张、广饶等地历年资料统计,从当年10月小麦播种开始到次年5月底小麦收割前止,在此八个月期间,降雨量为100～150毫米,折算每亩水量60～100立米, There are two basic characteristics in the northwest plain of Shandong: First, there is scarce rain and snow in winter, less rain and windy in spring, and frequent drought in winter and spring. According to the historical data statistics of Jinan, Dezhou, Shouzhang and Guangrao, from the sowing of wheat in October of that year to the harvesting of wheat before the end of May next year, during this eight-month period, the rainfall is 100-150 mm, Water 60 to 100 cubic meters,