Table 1 Experimental design.

From: Research on the enhancement material and culture method of soil aggregates composed of feldspathic sandstone and sand

Treatments

CK

P1

P2

P3

Field study (field)

non-additive

5% (maize straw)

5% (biochar)

5% (biochar)

5%(maize straw)

Laboratory Study (24℃ incubator)

Non-additive

5% (maize straw)

5% (biochar)

5% (biochar)

5% (maize straw)