Related Subjects
BOEDEN
Earth (Soils)
Earth (soil)
Humus
Mold
Mould
Muck
Organic matter in soil
SOLS
Soil
Soil classification
Soil organic matter
Soil types
Soils
Soils--Organic matter
TERRES
Vegetable
Vegetable mold
organic matter (soil)
permafrost
soil mechanics
土壤
土壤有机质
川中丘陵区
桤柏混交林
纯柏林
Leaf fall
Litter fall
凋落物
时空动态