江西棉花气候生育期评述(摘要)

• 作 者: 傅克俊
• 机 构: 江西省气象科研所,
• 出 处: 江西棉花
• 发表日期: 1984年04期
• 关键词: 活动积温 棉花生育期 棉花生长发育 江西棉花 宁都 生长期 摘要 宜丰 播种期 气候分析

基于我们近年试验结果和棉花生长发育与气象条件的关系,如播种出苗和秋季停止生长15℃,现蕾和纤维生长20℃,开花25℃等指标,应用全省24个站点20年的历史气象资料,我们作了棉花生育期的气候分析,以期对棉花生产管理有所帮助,现汇报如下。 (一)棉花生长季目前我省棉花自播种到裂铃约130天,活动积温3200℃,加上拔秆则约为180天,需活动积温4300℃。从播种期看,自遂川、宁都一线可分南、北两区,南部四月上旬可开始播种,北部四月中旬可开始播种。秋季停止生长期,则自莲花、宜春、宜丰、安

Based on the results of our recent experiments and the relationship between cotton growth and meteorological conditions, such as seedling emergence and fall arrest at 15 ℃, budding and fiber growth at 20 ℃, flowering at 25 ℃ and other indicators, the historical data of 24 stations in the province for 20 years Data, we made a cotton growth period climate analysis, with a view to help cotton production management, are reported below. (A) cotton growing season At present, our province cotton from sowing to cracking about 130 days, the activity accumulated temperature 3200 ℃, with pulling straw is about 180 days, the activity accumulated temperature 4300 ℃. Seen from the sowing date, since Suichuan, Ningdu line can be divided into southern and northern regions, the south may start sowing in early April, the northern part of mid-April can begin sowing. Fall to stop growing, then from Lotus, Yichun, Yifeng, Ann