一、银杏热连续升温 但引种务必慎重 银杏树作为我国特有的一种集药用、食用、材用、绿化观赏、美容、美化价值为一体的高效多功能经济林木,具有极高的经济效益、生态效益、景观效益和社会效益。近年来,银杏果、叶在国际、国内市场走俏,价格连年攀升,外贸缺口增大。据全国银杏研讨会上专家们预测,在未 First, the ginkgo heat continuous warming, but the introduction must be carefully introduced Ginkgo biloba as a unique set of medicinal, food, timber, green ornamental, beauty, landscaping value of an efficient multi-functional economic forest, with high economic efficiency, Ecological benefits, landscape benefits and social benefits. In recent years, ginkgo fruit, leaves in the international and domestic markets are popular, prices year after year, the gap increased. According to the national ginkgo seminar experts predict, not yet