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Table 6 Effects of added RP on Total P and Bray-1 extractable P contents of the final cow-dung paper-waste vermicomposts

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

Added RP

Total P (%)

Bray 1 P (mg kg−1)

Increase in Extractability of P (%)

0% P

0.18

80

 

0.5% P

0.55

101

26

1% P

0.97

141

76

1.5% P

1.32

152

90

2% P

1.76

170

113

4% P

2.31

207

159

CV

5

3

 

P value

<.0001

<.0001