安康地区杜仲资源的开发利用袁海龙（安康农校）安康地区现有杜仲林４７００多ｈａ，占全国总面积的６．３％；年均收购杜仲皮９．９万ｋｇ，占全国收购量的１０．３％。近年来，大面积杜仲幼林如雨后春笋般地出现，开发利用杜仲资源已成为急待解决的问题。安康地区的杜仲... Development and Utilization of Eucommia ulmoides resources in Ankang Region Yuan Hailong (Ankang Agricultural School) The existing Eucommia afforestation in Ankang Region is more than 4,700 ha, accounting for 6.3% of the total area in the country. An average annual acquisition of 99,000 kg Eucommia bark, accounting for the national total 10.3%. In recent years, a large area of ​​Eucommia young forest mushroomed appear, the development and utilization of Eucommia resources has become an urgent problem to be solved. Ankang area of ​​Eucommia ...