银杏生长慢，结果晚，用实生苗长成的银杏树，１５—２０年才能开花结果。因此，林业科技人员培育成功了银杏嫁接苗。这种银杏嫁接苗，通过对实生苗的嫁接改良，可促进银杏早结果，使银杏３—５年挂果，不出１０年就形成效益。所以，目前栽种的银杏树，都采用了嫁接苗。但... Ginkgo grow slowly, the result is late, grow with seedlings of ginkgo trees, 15-20 years to blossom results. Therefore, forestry science and technology personnel to cultivate a successful ginkgo grafted seedlings. This ginkgo grafted seedlings, grafted through the improvement of seedlings can promote early results of ginkgo, ginkgo 3 -5 years fruiting, less than 10 years to form a benefit. Therefore, the current planting of ginkgo trees, have adopted the grafted seedlings. but...