[目的]培育优质健壮湿地松苗木,提高造林成活率.[方法]湿地松大田育苗在出圃前进行二次切根,调查其苗高、地径、侧根数、须根数等因子,并与未切根苗生长情况进行比较.[结果]经方差和多重比较分析,与未切根苗相比,湿地松二次切根苗的侧根数、侧根总长、须根数均显著增加,切根时间以 9 月中旬为佳.[结论]湿地松二次切根苗木根系发达,有利于造林成活率的提高.

[Objective]In order to improve the survival rate of Phyllostachys edulis afforestation and accelerate the rate of forestation.[Method]Double-planting bamboo transplanting experiment was conducted in newly planted P.edulis forests from 2015 to 2019.[Result]The survival rate of bamboo plantation using the double-planting method was up to 100%,and the cost of afforestation and cultivation was 1 080 yuan/hm2 lower than that of the single-planting method.[Conclusion]The adoption of double-planting bamboo afforestation has a significant role in promoting the rapid establishment and maturity of newly planted P.edulis forests,and can be widely applied in production.

After years of investigation and research,the germplasm resources and distribution of Camellia plants in Ji'an city were basically found out.Among the more than 200 species in 20 groups of 4 subgenus of Camellia,18 species in 8 groups of 3 subgenus have been found in the city so far.This paper mainly introduced the species,main morphological characteristics and distribution of Camellia plants in Ji'an city,Jiangxi province.

指出了近年来,我国中医药振兴发展迎来了难得的历史性机遇,许多地方都将中药材产业作为推进乡村振兴、助力农户增收的支柱产业,高位推动倾力发展,欲打造成为县域经济新的增长点.随着中药材种植面积不断扩大、品种不断增多,很多问题也冒了出来.在通过调查了解峡江县中药材种植产业现状基础上,分析了存在的主要问题,并提出了相应的对策建议,旨在为各地中药材种植业的健康稳定发展提供一些参考和借鉴.

With the deepening of the forest right system reform, forestry industry system construction investment and financing problem is particularly prominent. This paper analysis the current situation of the forestry investment and financing, and the main problems of the investment and financing problems in Jiangxi forestry industry system construction. and puts forward the countermeasures of establishing multi-channel, diversification of forestry investment and financing system; establishing and improving the forest right management institutions, improving the organization scale of forestry industry;making full use of foreign investment and exploring credit and insurance mode.

The author introduces the implementing effect and achievement of changing farmland into forest in Xiajiang county,analyzes the problems and discuses how to consolidate the achievements.

峡江水利枢纽是国家重点工程,于2009年立项动工兴建。库区内分布一定数量的国家和省级保护野生植物及古树名木,为了保护这些重要资源,提出了一些保护措施,以供参考。