Abstract:
Soil temperature has very significant effect on biological
development of plant and physical, chemical, biological properties of soil.
The variance of temperature depending on time and soil depth forms heat transportation
and therefore it enables constitution of temperature regime. In this research,
it has been determined with a help of experiments (held on 01-17 June, 2005)
that daily average temperature on soil surface varies between 24.3-41.9°C
and temperature amplitude varies between 7.1-12.5°C. In 10, 20, 30, 40,
50 and 60 cm of soil depth, average temperature, amplitude and diffusivity vary
between intervals of 19.5-23.8°C; 0.6-3.5°C; 0.13x10-3-2.51x10-3
(cm2 sec-1), consecutively. The initial unconditional
solution of heat conductivity equation in T (0, τ) = Tor + T0cosωτ
in finite soil layer depending on condition of T (l,