摘要
利用渭南市55年气象资料,分析了小麦冬前分蘖期平均温度、日照时数,降水量变化特征。结果表明多年来小麦冬前分蘖期降雨量变化趋势不明显,平均气温显著上升,趋势变化率为0.305℃/10 a;日照时数减少趋势明显,每10年减少12.6 h。针对小麦冬前分蘖期日照偏少导致小麦分蘖减少的情况提出了应对措施。
Based on the meteorological data of 55 years in Weinan City,the variation characteristics of average temperature,sunshine duration and precipitation at tillering stage before winter of wheat were analyzed.The results show that the variation trend of rainfall in this period is not obvious,while the average temperature increases significantly,and the trend change rate is 0.305℃/10 a.The decreasing trend of sunshine hours is 12.6 h/10 a.Aiming at the decrease of tillering due to less sunshine at tillering stage before winter,the countermeasures were put forward.
作者
范涛
翟丙年
FAN Tao(College of Resources and Environment,Northwest A&F University,Weinan,Shaanxi 712100)
出处
《农业灾害研究》
2021年第5期101-103,共3页
Journal of Agricultural Catastrophology
关键词
小麦
冬前分蘖
气候变化
Wheat
Tillering before winter
Climate change
