摘要
通过对青海省铁卜加地区1988～1990年燕麦分期播种试验结果的分析得出:该地区燕麦的出苗时间和全生育期随播种期推迟而缩短,其日数与平均气温呈显著的直线负相关。该地区燕麦全生育期为130～140d,完成全生育期需≥0℃的积温1120～1230℃,燕麦产量以4月下旬播种的为最高。高寒地区燕麦以4月下旬至5月上旬播种为宜。
The result of sowing A.sativa by stages from 1988 to 1990 in Tiebujia area,Qinghai Province showed that:The time of emergence of seedlings of A.sativa and fully reproductive stage would shorten by the sowing time putted off.There was a significant linear negative corre- lation between day numbers and mean temperature.The fully reproductive stage was 130～140d. To finish it need accumulated temperature 1120～1230℃ of ≥0℃.The yield was the highest when it was sowed in late April.The proper sowing time was in late April or early May in that area.
出处
《草业科学》
CAS
CSCD
北大核心
1996年第3期32-34,共3页
Pratacultural Science
