德州市园林二场、山东省果树研究所为果树改制而共同进行的梨树不同栽培密度试验,已获初步成效。在国庆三十周年的前夕,于德州市园林二场召开了验收会,按各不同处理,分别计产验收。 今年取得的主要成绩是:三年生晚三吉梨亩产10661. 6斤;四年生晚三吉梨亩产7610.2斤;四年生早酥 Dezhou City Garden 2, Shandong Institute of fruit trees for the restructuring of fruit trees pear cultivation under different density tests, have been initial results. On the eve of the thirtieth anniversary of the National Day, held an acceptance meeting in Dezhou City Garden two, according to the different treatment, respectively, production and acceptance. The main achievements made this year are as follows: Three-year-old Guiyan yield 10661. 6 pounds; Four-year-old Guiyi yield 7610.2 pounds; Four-year-old morning crisp