题目内容

The air convection between soil and atmosphere always flows from the high-pressure areas to the low-pressure areas.

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Generally, the better the soil aeration, the higher the content of reducing gases in the soil.

In agricultural production, the theoretical basis of "Adjusting Temperature with Water" is ( ).

A. Water temperature is easy to control;
B. Water has a larger heat capacity;
C. Water has a larger thermal diffusivity.

Generally, the heat capacity of sandy soil is lower, so its temperature rises faster.

Soil evaporation can result in heat loss.