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横畈林场杉木1、7代种子园1985年嫁接建成，由于采取综合技术措施，1991年平均每公顷产种子105kg，球果出籽率5.7％,进入盛果期的1995年平均每公顷产种子241．5kg,球果出籽率6．3%，创全国同类种子园的最高记录。
The 1st and the 7th generation seed orchards of Hengli Forestry Center were constructed by grafting in 1985 and the average seed yield per hectare in 1991 was 105kg and the seed yield was 5.7%. The average seed yield per hectare in 1995 reached the flourishing period 241.5kg, coniferous seed yield 6.3%, a national record of the same seed orchard.