1.
- 鏵式犁翻轉土壤的曲面鐵板犁
The curved plate of a plow that turns over the soil.
- 灰化土壤的發展
The development of a podzol.
- 從地表到母岩的土壤的縱剖面。
a vertical section of soil from the ground surface to the parent rock.
- 廬山區土壤的特徵
CHARACTERISTICS OF THE SOILS OF THE LUSHAN AREA,CENTRAL CHINA
- 把作物殘體混入土壤的傳統耕作制。
Incorporation of crop residues; conventional tillage.
- 從地表到母岩的土壤的縱剖面。
a vertical section of soil from the ground surface to the parent rock
- 土壤的酸性可以通過在它上面撒石灰來中和。
Acidity in soil can be neutralized by spreading lime on it.
- 生態系統痕跡化石——古土壤的研究意義
The significance of ecological system trace fossils--Palaeosol