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一、前言油桐是我区重要的经济树种之一,具有栽培历史悠久,栽培面积大,见效快,经济效益显著等特点,广大群众都有植桐的习惯。由于油桐对气候环境要求较为严格,而广西南北跨五个纬度(北纬20°54’—26°20’)东西跨八个经度(东经104°29’—112°04’),地域广阔,地形复杂,造成气候条件复杂多样,各地气候差异非常明显,要使油桐的栽培获得较高的经济效益,达到高产优质,使
I. Preface Tung tree is one of the important economic tree species in our district. It has the characteristics of planting a long history, large cultivation area, quick response and remarkable economic benefits. The broad masses have the habit of planting Tung tree. Due to the tighter requirements on the climate and environment of the tung tree, the north and south of Guangxi span five longitudes (latitude 20 ° 54’-26 ° 20 ’) across eight longitudes (longitude 104 ° 29’-112 ° 04’E) Complex terrain, resulting in complex and diverse climatic conditions, climate differences across the very obvious, to make Tung Tung cultivation of higher economic benefits, to achieve high yield and quality, so that