Table 1

Physicochemical properties of the agricultural byproducts compost
Physical properties Chemical properties
Metals concentration
Days Moisture C (%) N (%) C: N P (%) K (%) Ca (g kg-1 dw) Mg (g kg-1 dw) S (g kg-1 dw) Na (g kg-1 dw) Zn (mg kg-1 dw) Cu (mg kg-1 dw) Mn (mg kg-1 dw) Fe (mg kg-1 dw)
0 50.5 17.3 1.3 31.1 0.8 1.0 13.0 8.4 2.3 1.3 86.6 33.0 266.9 93.0
10 50.4 16.0 1.4 26.6 0.9 1.0 13.2 8.9 2.3 1.8 90.4 34.2 268.4 100.6
20 50.3 14.1 1.4 21.0 1.0 1.1 13.5 9.2 2.5 2.1 98.2 39.5 270.6 112.3
30 50.3 13.0 1.4 15.5 1.1 1.1 13.9 9.8 2.5 2.4 101.3 44.3 281.0 129.9
40 50.1 11.4 1.5 11.7 1.2 1.1 13.9 10.2 2.5 2.5 124.6 50.7 286.0 134.8
50 50.1 11.4 1.5 11.4 1.2 1.1 13.9 10.2 2.5 2.5 124.6 50.7 286.2 134.8
(%) negligible -50.9 +9.6 +33.1 +15.0 +5.9 +17.6 +8.0 +48.0 +30.5 +34.9 +6.9 +31.0

Here ‘-’indicates decrease in concentration and ‘+’ indicates increase in the concentration; counts upto 40 days, and next 10 days remained for stabilization.

Chandna et al.

Chandna et al. BMC Microbiology 2013 13:99   doi:10.1186/1471-2180-13-99

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