各种植物残体所形成的腐殖质，其性质基本相同。
Various kinds of humus derived from different plant residues are basically the same in nature.
在水旱轮作下，施用有机肥有利于紫色水稻土铁—腐殖质复合的形成。
Organic manure application favours the formation of Fe-humus complexes in purple paddy soils under water-dry rotation.
在水旱轮作下，施用有机肥有利于紫色水稻土铁—腐殖质复合的形成。
Organic manure application favours the formation of Fe-humus complexes in purple paddy soils under water-dry rotation.
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