Treatments

Rates

Pb

Cd

Cr

As

Ni

Hg

(kg N ha⁻¹)

mg∙kg⁻¹

Control

0

0.0002

0.0002^l

0.0001^c

0^d

Nd

Nd

NPK

80

0.0002ⁱ

0.0002^l

0^d

0^d

Nd

Nd

NRB:CD

80

0.0004^g

0.0006^h

0^d

0^d

Nd

Nd

150

0.0007^c

0.0008^f

0^d

0^d

Nd

Nd

SRB:CD

80

0.0004^g

0.0006^h

0.0001^c

0^d

Nd

Nd

150

0.0009^c

0.0007^g

0.0002^b

0^d

Nd

Nd

RRB: CD

80

0.0012^b

0.0013^c

0.0002^b

0.00001^c

Nd

Nd

150

0.0015^a

0.0019^a

0.0003^a

0.00004^b

Nd

Nd

BRB:CD

80

0.0002ⁱ

0.0003k

0^d

0^d

Nd

Nd

150

0.0005^f

0.0006^h

0^d

0^d

Nd

Nd

NRB:PM

80

0.0003^h

0.0005ⁱ

0^d

0^d

Nd

Nd

150

0.0003^h

0.0008^f

0^d

0^d

Nd

Nd

SRB:PM

80

0.0003^h

0.0004^j

0.0002^b

0^d

Nd

Nd

150

0.0004^g

0.0004^j

0.0002^b

0^d

Nd

Nd

RRB:PM

80

0.0008^d

0.0010^d

0.0003^a

0.00001^c

Nd

Nd

150

0.0012^b

0.0016^b

0.0003^a

0.00006^a

Nd

Nd

BRB:CM

80

0.0005^f

0.0006^h

0.0002^b

0.00001^c

Nd

Nd

150

0.0009^c

0.0009^e

0.0002^b

0.00006^a

Nd

Nd