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一、前言在印度腊贾斯坦干旱地区约有308,110平方公里土地为贫瘠山地,绝大部分是露岩和石英岩及砂岩重迭组成的小山丘,表层完全是石英,间有部分长石。由于气温极高、风大、降水量稀少和极低的相对湿度等恶劣气候条件,再加之对土地的长期滥用而使该岩石山区成为寸草不生的荒芜之地。但只要进行严密保护,保存任何现有植物,并通过人工造林恢复景观,仍不失改变这种荒凉景象的可能。为提供造林时的适
I. INTRODUCTION About 308,110 square kilometers of arid land are inhabited by arid areas in the Indian state of Rajasthan. Most of them are small hills composed of exposed rock, quartzite and sandstone. The surface is entirely quartz and some feldspar exists between them. Due to extreme weather conditions such as extremely high temperatures, winds, scarce precipitation and extremely low relative humidity, coupled with the long-term abuse of land, the mountainous rocky area becomes an inhospitable barren land. But as long as the strict protection, preservation of any existing plant, and restore the landscape through afforestation, still can change the possibility of such desolation scene. To provide afforestation of fitness