This paper has analyzed the relationship between Canopy leaf-air temperature difference(ΔT) and soil volumetric water content(SW) during the tomato s fruiting period.The results show that: in the sunlight,the canopy temperature(Tc) change consistently with the temperature(Ta),and Tc and Ta reached the maximum value during 13:00—15:00 for the leaf evapotranspiration being the strongest at this time which very easily lead to water shortage of tomatoes.It is also found that there have good linear negative corr...
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