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在有机肥非常缺乏的情况下，采用２５ａ生母树的种子，避开重茬，进行“尿素×复合肥”育苗试验结果表明：“尿素４５０～５２５ｋｇ／ｈｍ２×复合肥４５０～６００ｋｇ／ｈｍ２”为培育杜仲苗的最佳施肥组合。
Under the condition of very lack of organic manure, the seed of “25a mother tree” was used to avoid the continuous cropping. The results of “urea × compound fertilizer” seedling experiment showed that: “urea 450 ~ 525kg / hm2 × compound fertilizer 450 ~ 600kg / hm2” Eucommia seedlings of the best combination of fertilization.