Table 5 Effect of ACC deaminase containing PGPR in combination with various rates of timber waste biochar (0BC, 1BC and 2BC) on grains N, P and K concentration under various levels of drought (D).

Control_{(No PGPR+No BC)}

1.78^b–k

1.56^no

1.11^p

1.48^G

0.305^a–i

0.283^i–n

0.247^o

0.278^D

0.465^k–m

0.453^mn

0.422ⁿ

0.447^H

L. adecarboxylata

1.77^c–m

1.67^h–n

1.49^o

1.64^F

0.303^a–j

0.287^e–n

0.273^mn

0.288^B–D

0.481^h–m

0.474^h–m

0.460^1–m

0.472^G

A. fabrum

1.79^b–k

1.69^g–n

1.56^no

1.68^EF

0.306^a–g

0.299^b–l

0.275^mn

0.293^A–C

0.491^f–l

0.481^h–m

0.460^l–m

0.478^FG

P. aeruginosa

1.80^b–j

1.67^h–n

1.56^no

1.68^EF

0.301^a–k

0.280^j–n

0.268^no

0.283^CD

0.482^h–m

0.471^j–m

0.455^m

0.469^G

B. amyloliquefaciens

1.79^b–j

1.74^e–m

1.60^m–o

1.71^D–F

0.309^a–g

0.279^k–n

0.274^mn

0.287^B–D

0.493^f–k

0.484^g–m

0.461^l–m

0.479^E–G

1BC

1.82^a–i

1.78^b–l

1.61^l–o

1.74^C–E

0.307^a–g

0.280^j–n

0.280^j–n

0.289^B–D

0.505^d–h

0.489^f–l

0.470^j–m

0.488^EF

L. adecarboxylata + 1BC

1.87^a–f

1.77^c–m

1.62^k–o

1.75^B–E

0.310^a–e

0.283^i–n

0.277^l–n

0.290^BC

0.506^d–h

0.497^f–j

0.481^h–m

0.495^DE

A. fabrum + 1BC

1.86^a–g

1.78^c–l

1.61^l–o

1.75^B–E

0.307^a–h

0.283^i–n

0.280^k–n

0.290^BC

0.535^a–d

0.503^d–i

0.473^i–m

0.504^CD

P. aeruginosa + 1BC

1.86^a–f

1.78^b–l

1.64^j–o

1.76^B–E

0.309^a–f

0.283^i–n

0.274^mn

0.289^B––D

0.520^b–f

0.497^f–j

0.465^k–m

0.494^DE

B. amyloliquefaciens + 1BC

1.91^a–d

1.82^a–i

1.66 ^i–o

1.80^A–C

0.312^a–d

0.287^e–n

0.279^k–n

0.293^BC

0.542^a–c

0.519^b–f

0.498^f–j

0.520^B

2BC

1.92^a–d

1.81^a–i

1.66^i–o

1.80^A–D

0.321^ab

0.286^g–n

0.276^mn

0.294^A–C

0.543^a–c

0.532^a–e

0.502^e–i

0.526^AB

L. adecarboxylata + 2BC

1.94^a–c

1.84^a–h

1.67^h–n

1.82^A–C

0.315^a–c

0.290^d–n

0.287^f–n

0.297^AB

0.550^ab

0.519^b–f

0.484^g–m

0.517^BC

A. fabrum + 2BC

1.97^a

1.88^a–f

1.71^f–n

1.85^A

0.318^ab

0.293^c–m

0.279^k–n

0.296^AB

0.560^a

0.541^a–c

0.515^c–g

0.539^A

P. aeruginosa + 2BC

1.90^a–e

1.82^a–i

1.67^h–n

1.80^A–C

0.309^a–g

0.290^d–n

0.285^h–n

0.295^AB

0.543^a–c

0.531^a–e

0.515^c–g

0.530^AB

B. amyloliquefaciens + 2BC

1.95^ab

1.78^c–l

1.75^d–m

1.82^AB

0.322^a

0.299^a–l

0.291^d–n

0.304^A

0.559^a

0.541^a–c

0.518^c–f

0.539^A

ME (D)

1.86^A

1.76^B

1.59^C

0.310^A

0.287^B

0.276^C

0.518^A

0.502^B

0.479^C