自2008年以来,自然灾害的发生频率增加,受影响的地域在扩大,引起全国大范围跨省区的干旱就爆发了数起,从几年前的重庆、成都大旱到2009年的河南、山东等华北地区大旱,再到2010年的西南五省区大旱,其频率似乎越来越快。面对这种情况,2011年中央“一号文件”的主题首次聚焦水利,并且“从土地出让金中提取 Since 2008, the frequency of natural disasters has increased and the affected areas have expanded. As a result, a large number of cross-provincial drought broke out across the country. From a few years ago, severe drought in Chongqing and Chengdu to Henan in 2009, Shandong and other major drought in North China, and then to the five major drought in Southwest China in 2010, the frequency seems to be faster and faster. Faced with this situation, the theme of the Central Document No. 1 was first focused on water conservancy in 2011, and ”extracted from the land transfer fee