Table 2 Determination of soil physical, chemical, biological, and biochemical properties.

Soil physical properties

Bulk density

BD

³⁰

Volumetric water content at field-moist condition, water saturation, and at 0.3, 10, 33, and 1500 kPA

VWCFM, VWCFS, VWC0.3, VWC10, VWC33, VWC1500

³⁷

Water holding capacity for intact and repacked cores

IAWHC and RAWHC

³⁵

Saturated hydraulic conductivity

SHC

³¹

Sand, silt, and clay concentrations

Sand, silt, and clay

³²

Aggregate stability

AS

³⁸

Dry aggregate stability index

DASI

³⁹

Water-stable aggregation

WSA

³⁹

Wet aggregate stability index

WASI

³³

Average slake aggregate

ASA

³⁴

Stone content

SC

⁴⁰

Macro- and Mesoporosity

MAP and MEP

⁴¹

Total shrinkage

TS

⁴⁰

Soil chemical properties

pH

pH

⁴²

Electrical conductivity

EC

⁴²

Buffer pH

BpH

⁴²

Al, As, B, Ba, Ca, Cd, Co, Cr, Cu, Fe, K, Mg, Mn, Na, Ni, Pb, S, and Zn concentrations

Al, As, B, Ba, Ca, Cd, Co, Cr, Cu, Fe, K, Mg, Mn, Na, Ni, Pb, S, and Zn

⁴³

Inorganic and organic P concentrations

IP and OP

⁴⁴

Sodium-absorption ratio

SAR

⁴⁵

Soil biological and biochemical properties

Soil total C and N

STC and STN

⁴⁶

Soil inorganic C

SIC

⁴⁶

Soil organic C

SOC

⁴⁶

Water-extractable C and N

WEC and WEN

⁴⁷

NH₄-N and NO₃-N concentrations

NH₄-N and NO₃-N

⁴⁴

KMnO₄-extrctable C

POXC

⁴⁸

CO₂ flush at 1-d and 4-d incubations

CO₂-1d, CO₂-4d

⁴⁹

Phospholipid fatty acids

PLFA

⁵⁰

Autoclaved citrate-extractable protein

ACEP

³⁸

β-glucosidase

BG

⁵¹

N-acetyl β-glucosaminidase

NAG

⁵²

Phosphomonoesterase

PME

⁵³

Arylsulfatase

AST

⁵⁴