Soil radiation is the only source of soil heat.
举一反三
- The important heat source of troposphere is the long wave radiation from the ground
- Soil fertility is soil productivity, which refers to the ability of soil to produce plant products.
- Which of the following statements are right?( ) A: The sandy layer on top of sandy fields dissipates the soil heat into the atmosphere moreslowly. B: The sandy layer on top of sandy fields allows more rainfall to soak into the soil if it rains. C: The sandy layer on top of sandy fields slows water evaporation down if it doesn’t rain. D: The sandy layer on top of sandy fields absorbs the sun’s heat into the soil more slowly.
- The role of trees is to______. A: loose soil B: keep soil in position C: harden soil D: Both A and B
- Soil age refers to the length of time for soil development. Soil age is usually divided into absolute age and relative age.