<p>Seasonal variations of key meteorological variables in 2013, including daily cumulative photosynthetic active radiation (PAR) (a), daily average values of air temperature (Ta) and relative humidity (RH) (b), and daily average soil temperature (Ts) and volumetric soil moisture (SM) (c).</p
<p>Asterisks indicate significant differences between soil respiration under N0 and N24 at P<0.05.</...
<p>AP, Annual precipitation; MAT, Mean annual temperature; GP, Growing-season precipitation; MGT, Me...
<p>UT, soil temperature in unwarmed plot; WT, soil temperature in warmed plot; UM, soil moisture in ...
<p>Variation in mean air temperature and monthly rainfall during the experimentation period (Februar...
<p>Temporal variation during 2008 in the (a) photosynthetic photon flux density (PPFD) and vapor pre...
<p>The variables include daily average air temperature (black solid line), the daily average soil te...
<p>Mean monthly solar radiation, maximum and minimum temperatures, and monthly total rainfall at the...
<p>The temperature, daylight hour, precipitation and evapotranspiration during the cropping seasons ...
<p>Seasonal variation of soil heat flux and soil temperatures during the measurement period.</p
<p>Meteorological variables includes mean annual air temperature (A), total solar radiation and suns...
<p>Daily precipitation and mean temperature at the study site in 2012 and 2013.</p
<p>Variations in precipitation (mm) and air temperature (°C) during the experimental period from Jul...
<p>Monthly precipitation (bar) and air temperature (curve) of the experimental site in 2011 and 2013...
<p>Average monthly climatic data of the study region during experimental periods from July 2012 to J...
<p>Factors include (A) monthly mean air temperature (T<sub>a</sub>), (B) monthly mean soil water con...
<p>Asterisks indicate significant differences between soil respiration under N0 and N24 at P<0.05.</...
<p>AP, Annual precipitation; MAT, Mean annual temperature; GP, Growing-season precipitation; MGT, Me...
<p>UT, soil temperature in unwarmed plot; WT, soil temperature in warmed plot; UM, soil moisture in ...
<p>Variation in mean air temperature and monthly rainfall during the experimentation period (Februar...
<p>Temporal variation during 2008 in the (a) photosynthetic photon flux density (PPFD) and vapor pre...
<p>The variables include daily average air temperature (black solid line), the daily average soil te...
<p>Mean monthly solar radiation, maximum and minimum temperatures, and monthly total rainfall at the...
<p>The temperature, daylight hour, precipitation and evapotranspiration during the cropping seasons ...
<p>Seasonal variation of soil heat flux and soil temperatures during the measurement period.</p
<p>Meteorological variables includes mean annual air temperature (A), total solar radiation and suns...
<p>Daily precipitation and mean temperature at the study site in 2012 and 2013.</p
<p>Variations in precipitation (mm) and air temperature (°C) during the experimental period from Jul...
<p>Monthly precipitation (bar) and air temperature (curve) of the experimental site in 2011 and 2013...
<p>Average monthly climatic data of the study region during experimental periods from July 2012 to J...
<p>Factors include (A) monthly mean air temperature (T<sub>a</sub>), (B) monthly mean soil water con...
<p>Asterisks indicate significant differences between soil respiration under N0 and N24 at P<0.05.</...
<p>AP, Annual precipitation; MAT, Mean annual temperature; GP, Growing-season precipitation; MGT, Me...
<p>UT, soil temperature in unwarmed plot; WT, soil temperature in warmed plot; UM, soil moisture in ...