到过海洲乡的人,都会对海洲乡的农业发展情况,特别是对植树造林取得的成就,留下非常深刻的印象。当前,土地沙化已经成为我国最为严重的生态环境问题。据1996年的普查资料,我国现有沙化土地168.9万平方公里,占国土面积的17.6%,而且每年仍以2460平方公里的速度扩展,相当于每年损失一个中等县的土地面积。由 Anyone who has visited Haizhou Rural Area will have a very deep impression on the agricultural development in Haizhou Rural Area, especially the achievements made in afforestation. At present, land desertification has become the most serious ecological and environmental problem in our country. According to the 1996 census data, our country now has 1.689 million square kilometers of desertified land, accounting for 17.6% of the total land area. It still expands at a rate of 2,460 square kilometers per year, equivalent to an annual loss of the land area of ​​a medium-sized county. by