板栗优良品种及丰产栽培综合配套技术推广

Extension Reportof Recom m ended ChestnutCultivars and Corresponding Culti- vation Techniques

通过采用良种壮苗，高标准整地，营造丰产示范园５００ 亩，第６ 年平均亩产达到１５８．２ｋｇ，第８～１０ 年亩产达到３００ｋｇ 以上，全面完成项目的各项经济指标。几年来，示范园所产生的辐射效应，带动全省各县（市）营造良种板栗林１１．７ 万亩，推广和应用丰产综合配套技术措施２０．２ 万亩，社会、经济、生态效益显著。

Grafts ofnine recom m ended chestnut (Castanea m ollissim a) cultivars were used to establish dem onstration orchardsof33 ha located in threecounties. Specialattention was paid to cultivar and nursery grafts selection, site preparation, proper espacement, or- chard managem ent, and pestcontrol. Theunityield amounted to 2 373 kg perha in the 6th yearafterplanting and over4 500kg perhain the8th to 10th yearafterplanting.In thepast decade orso theextended acreageexceeded 7 800haby cultivarsand 13 477 haby cultivation techniques, generating considerablesocio- econom icand ecologicalbenefits.