In order to effectively protect peach trees against frost disaster in early spring, the tests of meteorological and antifrost effects were carried out in Qin’an County, Gansu Province in flower season of peach trees covered with black plastic film in April 2012. The results revealed that black plastic film could be used to effectively increase the temperature and humidity of topsoil, the average temperature and humidity of topsoil (0-40 cm) could be increased by 0.3-0.4 ℃ and 2-6 percentage points, and the average temperature at 50-150 cm peach canopy was increased by 1.3 ℃. Thus, the growth of peach trees could be improved, the antifrost capability of peach trees could be improved, and the temperature of topsoil and peach canopy could be significantly increased, especially at night. The temperatures of peach canopies protected by covering black plastic film and smoking were 4.2 ℃ and 2.1 ℃ respectively during the period of 04:00-07:00 o’clock on April 13, 2012, and they were 1.2 ℃ and 0.9 ℃ higher than those without protection. Therefore, it was suggested to protect peach trees with black plastic film against frost disaster in early spring.
XU Yan-ping
,
YAO Xiao-hong
,
WAN Xin
,
SHEN Dong-mei
,
REN Hua-rong
,
YANG Rui
,
WU Ting-fang
. Meteorological and Antifrost Effects in Flower Season of Peach Trees Covered with Black Plastic Film in Early Spring[J]. Arid Zone Research, 2014
, 31(4)
: 643
-648
.
DOI: 10.13866/j.azr.2014.04.09
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