Analysis of Temperature Indices During Transplanting and Harvesting Periods and Available Days in Field of Flue-cured Tobacco in Hubei Province
Zhang Li
Ren Yongjian
Meng Fang
Li Hongbin
Lei Dongyang
Qin Tiewei
Abstract：Using the daily temperature data of township representative stations and the observation data of flue-cured tobacco growth period in Hubei Province from 2011 to 2020,this paper studies the temperature indices of the most suitable transplanting and harvesting periods of flue-cured tobacco in Hu-bei Province based on grid points by the stepwise search method and GIS fixed-point reading method,and determines the number of available days in the field period.The results show that:(1)The first day with temperature stabilized at 16 ℃,15 ℃ or 14 ℃ and the end day with temperature stabilized at 22 ℃,19 ℃ or 16 ℃ are the most suitable temperature indices for transplanting and harvesting of flue-cured to-bacco below 800 m,[800 m,1200 m]and above 1200 m,respectively.(2)According to the days avail-able in the field of flue-cured tobacco,the tobacco-planting region in Hubei Province can be divided into 3 types,and the results of regionalization are in good agreement with the actual planting situation.Among them,the Type Ⅰ areas are the main production areas because of the available days[1 10 d,140 d)in field,the Type Ⅱ areas are the potential development areas of high quality flue-cured tobacco because of the more available days in field than in the Type Ⅰ area,and the type Ⅲ areas are less suitable for tobac-co planting because of the limited available days in field and poor climatic conditions at high altitudes.The low-altitude mountain and plain areas have rich thermal conditions,but the natural disasters occur frequently there,so they are not suitable for tobacco planting.
Keywords：flue-cured tobaccotransplanting timeharvesting timematuration periodavailable days
Publication Date：2023-12-28
Online Publishing Date：2026-09-12(First online date of this platform, not the publication date of the document)
Pages：7( 59-65 )