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长期从事土壤和水土保持事业的土壤人,深感珍惜土壤,保护土壤的重要性。值今年“国际土壤年”之际,特撰本文,以兹纪念!地球是人类最适宜居住的星球——地球村,因为她拥有地球生命体不可或缺的四大要素:阳光、空气、水和土壤。在自然生态环境中,阳光、空气和水可以不断再生,因为它们是难以枯竭的自然资源,但土壤却是难以再生的自然资源,因为它生成的速度极慢,在基岩上生成1m厚的土壤需要1.2至4万年,即生
Soil people who have been engaged in soil and water and soil conservation for so long have deeply cherished the importance of soil and soil conservation. Earth this year is the planet Earth - the most suitable place for human beings to live - because of her four essential elements of life on earth: sunlight, air, Water and soil. In the natural environment, the sun, air and water can be regenerated continuously because they are natural resources that are difficult to be depleted, but the soil is a natural resource that is difficult to regenerate because it generates very slowly and generates 1 m thick bedrock Need 1.2 to 4 million years, that is, students