A-horizon
A-horizon
A-ho.ri.zon AHD[³“h…-rº”z…n] DJ[6e!h*7ra!z*n] KK[6eh*7ra!z*n]
n.(名词)
    In ABC soil, the uppermost zone of soil, containing humus; topsoil.Also called zone of leaching
    淋溶层:在ABC层土壤中最上面的一层,含有腐殖土;顶层土壤也作 zone of leaching