河南省设施农业冬季低温灾害风险评估
乐章燕, 石茗化, 李德, 霍治国, 杜子旋, 檀艳静

Risk assessment of low temperature disaster in winter for facility agriculture in Henan Province
LE Zhangyan, SHI Minghua, LI De, HUO Zhiguo, DU Zixuan, TAN Yanjing
表1 塑料大(小)拱棚和日光温室不同保温措施下外界低温灾害指标
Tab.1 The low temperature disaster index for large (small) plastic greenhouses and solar greenhouses under different insulation measures
设施类型 覆盖方式 低温灾害指标It/℃
塑料小拱棚 2层膜 It-3.0
塑料大拱棚 3层膜 It-5.0
1层毡布+2层膜 It-8.0
日光温室 1层毡布 It-10.0
1层毡布+1层膜 It-12.0
1层棉被+1层毡布+1层膜 It-15.0