论文部分内容阅读
安徽省茅山林场桃源河毛竹园,经营毛竹已有近百年的历史。由于近六年来的精细抚育和蓄养,改变了原来的稀疏林相,而成为茂密的竹园,毛竹平均高度达16.1米,平均胸径9.8厘米,最大的胸径达15厘米,生长优异。一、立地情况:坡向南偏东,坡度20-30度,最大达50度,呈梯田式。土壤为沙质壤土,深厚肥
Maoshan Forest Farm in Anhui Province Taoyuan River hair bamboo, bamboo business has been nearly a hundred years of history. As a result of careful nurturing and storage in the past six years, it has transformed the original sparse forest facies to become a dense bamboo garden. The average height of bamboo is 16.1 meters, the average diameter at breast height is 9.8 centimeters and the maximum diameter at breast height is 15 centimeters. First, the site situation: Slope south east, slope 20-30 degrees, up to 50 degrees, was terraced. Soil is sandy loam, deep fat