This photoprotective mechanism might be supported by the paraheliotropic leaf movement of the crop.
I. Inamullah, Akihiro Isoda 2005, 'Adaptive Responses of Soybean and Cotton to Water Stress II. Changes in CO2 AssimilationRate, Chlorophyll Fluorescence and Photochemical Reflectance Index in Relation toLeaf Temperature', Plant Production Sciencehttp://dx.doi.org/10.1626/pps.8.131. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Soybean would adapt to arid conditions by the combination of paraheliotropic leaf movement and reduced transpiration.
Akihiro Isoda, Peiwu Wang 2002, 'Leaf Temperature and Transpiration of Field Grown Cotton and Soybean under Arid andHumid Conditions', Plant Production Sciencehttp://dx.doi.org/10.1626/pps.5.224. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)