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Table 1 Chemical properties of the soil before the experiment

From: Influence of carbonized crop residue on soil carbon storage in red pepper field

pH

O.M

Av. P2O5

NH4-N

NO3-N

K

Ca

Mg

EC

Soil texture

1:5

g kg− 1

mg kg− 1

mg kg− 1

mg kg− 1

Ex. cation (cmol+ kg− 1)

dS m− 1

5.4

22.0

150.1

83.1

83.9

0.6

5.5

5.2

0.31

Clay loam