德清县雷竹林经营状况调查

Investigation on Management of Phyllostachys praecox cv. prevernalis in Deqing County

为了解德清县雷竹（Phyllostachys violascens）林经营状况,对雷竹重点乡镇的雷竹林经营收入情况、经营现状、生长状况、覆盖面积、施肥情况、劳动力状况、竹林结构等进行调查。结果表明,德清县雷竹笋总产值十年内增长2.37倍,达到4.53亿元,农民纯收入增长了1.83倍,达到2.45亿元;雷竹栽培覆盖面积占雷竹林总面积保持在40%左右,从事雷竹林经营的农户中有35%的农户收入占到家庭总收入的80%,雷竹林经营成本中覆盖材料占总成本的70%;覆盖雷竹林年施肥次数为3~4次;雷竹林胸径2.9~4.5 cm,立竹度为20 100~33 750株/hm2。

Questionnaire survey was conducted in 2012 on management of Phyllostachys praecox cv. prevernalis stands of 68 farmers in Deqing county, Zhejiang province in term of income, management, growth, mulching area, fertilization, labor force and stand structure. The results showed that total output value of shoot in Deqing increased from 161 million yuan in 2002 to 453 million yuan in 2012, about 2.37 times. Mulching area bamboo stands accounted about 40% of the total bamboo plantation. Income of about 35% famers who engaged in bamboo cultivation was from bamboo shoot（80%）. Cost of covering materials was accounted for 70% of the total. Plantations were fertilized 3-4 times a year. DBH bamboo ranged from 2.9cm to 4.5cm and density was about 20100-33750/ha.