山楂嫁接苹果试验近万亩校园１９９０年均进入盛果期，每当金秋季节，红果点缀绿叶，景色尤为壮观。然而，由于当时仓促上马，品种混杂，低产园比重大，经济效益低，楂农改园的念头时有发生。为急植农之所急，我们在搞课题的同时对山楂改接苹果进行试验。１９９１年春在“... Hawthorn grafted apple test nearly mu campus have entered the flourishing period of 1990, whenever the golden autumn season, dotted with red leaves, the scenery is particularly spectacular. However, due to the hasty launch of the project, the variety of hybrids, the large proportion of low-yielding parks and the low economic returns, the idea of ​​reviving the agricultural enterprises has occurred from time to time. In order to urgently impose agriculture, we are engaged in the subject at the same time on the apple hawthorn to test. Spring of 1991 in "...