百色市油茶栽培及低产林改造技术

对百色市油茶生产现状进行分析,认为投资少,品种(类型)混杂,劣株比例大,林地荒芜,养分贫乏,林分衰老,自然更新能力差,病虫危害,树势削弱是油茶低产的主要原因。因此,必须掌握油茶栽培技术,采取调整林相,整形修剪,改良树体结构,提高光合效率;深挖垦复,改善土壤条件;合理施肥,嫁接换种等低产林改造技术措施,才能提高油茶的单位面积产量,产生良好的种植效益,获得明显的经济、社会和生态效益。

Techniques for Camellia Oleifera Abel. cultivation and reconstruction of low-yield forests in Baise City

The current producing status of Camellia Oleifera Abel.in Baise City was analyzed in the paper.The low yield of Camellia Oleifera Abel.was mainly caused by less investment,intermixed varieties or types and low quality plants,the desolation of forest land,nutrient sparsity,woods decrepitude with poor natural rebirth capability,the damage of diseases and insect pests,and weakening plant vigor.Therefore,in order to increase the unit area yield of Camellia Oleifera Abel.and obtain a good economic,social and ecological profits,the cultivation techniques of Camellia Oleifera Abel.should be mastered,and the reconstruction measures of low-yield forests mainly included adjusting and improving planting structure and increasing the photosynthetic efficiency by reshaping and pruning;improving soil conditions by deep digging and reclamations,reasonable fertilization and grafting,etc.