浅谈桑树在林业可持续发展中的优势

桑树抗逆性能较强,在干旱、寒冷、风沙较大的丰宁县5个月可长高1~1.5m,当年成林,生态效益明显;15kg桑叶用于养蚕,1个月时间可转化出1kg鲜蚕茧,毛收入8~10元,周期短,经济效益高;桑叶营养丰富,其蛋白质含量是小麦的2倍,可做畜禽饲料,蚕、桑均含药物成分,可开发保健食品和药品,社会效益潜力大。在林业可持续发展中有较强的优势。

The Advantage of the Mulberry Using in the Forestry's Sustainable Development

Mulberry has great capability in bearing bad conditions. It can grow 1~1.5m in 5 months in Fengning County where the weather is drought, cold, wind and sand are strong. The mulberry forest can become in one year. So planting mulberries can gain great benefit for the environment. 15 kg. mulberry leaves can be transformed into 1 kg. fresh cocoons in one month, which cost 8~10 yuan, the cycle is short, but the economic profits is high. The mulberry leaf's nutrition is abundant. The protein content is same as double of wheat's. Mulberry leaves can be used as critter and fowl's food, and mulberry and silkworm are both have medicine component and can be processed into hygienical food and medicine. So the society profits is high. Therefore mulberry has much predominance in the sustainable development of forestry.