ESTIMATION OF THE WATER-SUPPLY SITUATION OF ARABLE CROPS FROM THERMAL INFRARED IMAGES

被引：0
作者：
GEBHARDT, A
机构：
来源：
ARCHIV FUR ACKER UND PFLANZENBAU UND BODENKUNDE-ARCHIVES OF AGRONOMY AND SOIL SCIENCE | 1990年 / 34卷 / 11期
关键词：
WINTER WHEAT; POTATO; METHOD OF INVESTIGATION; WATER SUPPLY; AERIAL PHOTOGRAPH; THERMOGRAPHY;
D O I：
暂无
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
Radiation measurements in the thermal infrared range are used for evaluation of the water supply situation of winter wheat and potatoes. There is a close correlation between canopy radiation temperatures of test plots and soil moisture. If the available water capacity decreases below 40%, a distinct increase in canopy temperatures by several degrees can be observed. The temperature difference between sufficiently supplied and stressed plots can be used for computation of the proportion of actual to potential evapotranspiration.
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页码：741 / 748
页数：8
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