万物土中生。

土壤是万物赖以生存的基础，

很长时间以来，

它都被人类小心呵护着，

也努力回报着，

但是随着工业不断发展，

大地“母亲”已经越发满目疮痍，

变得让人又爱又恨。

保护土壤，治理污染，

已经刻不容缓。

营造人与自然和谐共处的环境，

更应是人类社会永恒的主题。

　　为了让学生近距离地认识土壤，感受它的气息、色泽，认识它的类型、功能，了解它的“前世今生”，10月23日下午，诺科学校选修环境科学和人文地理的同学们，前往崇明区长兴岛的前小桔创意农场，与土壤进行了一次深度“对话”。

　　本次“行走课程”的主题为：土壤和人类的关系。首先，农业专家苑宁博士给同学们普及了土壤的一些知识，同学们了解到了黑土地，红土地，黄土地土壤成分和种植作物的不同；有机农业的基础知识及其在中国发展的前景和面临的困境；以及中国过度的耕作方式对土壤以及人类健康的伤害等。

　　接着，在两位农业专家的带领下，同学们带上铁锹，分别在种植萝卜、青菜、柑橘、水稻、草莓的不同农田中感受了土壤成分，土壤中生物的差异。

　　期间，同学们还体验了一把传统的耕作方式，进行了一次别开生面的人工犁地大赛。

　　同学们还和农场的牛羊等动物们“亲密”互动。

　　最后，同学们品尝了农场有机种植方式下产出的柑橘和蔬菜。课后许多同学都表示，今后会鼓励家人和身边的朋友消费有机农产品，以实际行动支持中国有机农业的发展。

　　学生课后感言

　　Soil is one of the nature resources of earth and it produces a lot of lives. On the field trip firstly we had a course of lecture. The farmer told us about different kind of soil. Red soil was containing iron and it is fit to cultivate the crops. Yellow soil had two types. One type was baked and it had stickiness. The other was made by wind and sand. White soil was full of salt people could not plant any crops on this soil.

　　We also learned that food had different quality criterions—organic food eco-food and pollution-free food. Then we went to see the orange trees tried to turn up soil. We learned knowledges about the grafting rice needed usually change water the roots of rice needed oxygen and so on.

　　—— Lucy (Senior-B)

　　Every earth has its own environment also they have life when we always hurt it it will have the revenge to the people such as to become white land have heavy l in the land become harden the worst is to become desert.

　　It is a very good trip because I learn a lot of things about the dirt. All the dirt is alive maybe we can use different ways to help them not become desert.

　　—— Jennifer (Senior-B)

　　We learn plenty of knowledge about the relationship between vegetable and soil through the outside class last Tuesday. Personally it is very meaningful to have such class since students can not only learn some specific concepts but they also can have fun.

　　The most essential thing I learn from this class is that if there is not commercial value of one positive thing some people may stop to do such thing. Therefore government should interfere in such case and make effort to propose the development of these positive things such as “green” vegetable research and protection of environment.

　　—— Gabby (Senior-B)

　　In this outdoor interactive class I learned several different land types and the reasons for the formation of saline-alkali land such as excessive use of land and fertilizer. I also knew about several different irrigation methods for example exchanging planting crops exchanging planting land to make sure that the nutrition of the land was not lost and that there was enough time for cultivation.

　　Every different crop needs different soil so they have carried out a small range of soil improvement for different flowers or crops and succeeded in bringing them together harmoniously.

　　—— Lucia (Senior-B)

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