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Table 1 Repeated measures ANOVAR for C:N ratio, HI, Total P, Total N, Bray-1 extractable P, MBC, VS and Ash contents, NH4-N and NO3-N

From: Enhancing rock phosphate integration rate for fast bio-transformation of cow-dung waste-paper mixtures to organic fertilizer

 

Effect

Added RP rates

Time

Added RP rates × time

F(5, 60)

P

F(4, 60)

P

F(20, 60)

P

C:N ratio

1023.3

<0.0001

22,341.2

<0.0001

460.3

<0.0001

HI (%)

425.1

<0.0001

2357.6

<0.0001

101.7

<0.0001

Total P (g Kg−1)

2332.1

<0.0001

1064.1

<0.0001

894.4

<0.0001

Total N (%)

201

<0.0001

540

<0.0001

25

<0.0001

Bray 1P (mg Kg−1)

1895.5

<0.0001

1637.5

<0.0001

1034

<0.0001

MBC (mg Kg−1)

100.5

<0.0001

10,224.7

<0.0001

58.7

<0.0001

VS (%)

314.2

<0.0001

903.4

<0.0001

17.9

<0.0001

NH4 +-N (mg Kg−1)

20.5

<0.0001

701.7

<0.0001

8.2

<0.0001

NO3 -N (mg Kg−1)

6.1

<0.0001

1003.7

<0.0001

23.3

<0.0001

NH4 +:NO3

3.36

<0.0001

230.2

<0.0001

5.6

<0.0001

  1. C:N carbon to Nitrogen ratio, HI Humification index, VS Volatile solid, MBC Microbial biomass carbon, NH + 4 -N Ammonium-nitrate, NO 3 -N Nitrate-Nitrite, NH + 4 :NO 3 Ammonium: nitrate ratio
  2. F values and probabilities are shown for each effect. P < 0.05 in italics is significant. n = 3