龙眼“高接换种”方法文／杨平龙眼是我国南方重要果树和名贵特产之一，近十年来，生产发展较快。对于不开花结果的龙眼植株的改良，采用“高接换种”方法，第二年就可以开花结果，达到高产优质的目的。现将其方法介绍如下：对于高３米以上的树，可在采果后的８月中下旬，... Longan “high takeover” method of text / Yang Ping Longan is one of the important fruits and valuable specialty products in southern China, the past 10 years, the rapid development of production. For non-flowering longan plant improvement, the use of “high exchange” method, the second year can flowering results, to achieve the purpose of high yield and quality. The method is introduced as follows: For more than 3 meters high trees, fruit picking in late August, ...