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. 2020 Sep 30;10:16129. doi: 10.1038/s41598-020-73072-6

Table 2.

Nutritional composition of organic manures used in experimentation (2012–2016).

Particulars Farmyard manure Vermicompost
pH 6.48 ± 0.29 6.94 ± 0.09
EC (ds m) 0.14 ± 0.02 0.16 ± 0.04
N (%) 0.61 ± 0.09 1.56 ± 0.05
P (% 0.29 ± 0.04 0.85 ± 0.05
K (%) 0.52 ± 0.05 1.25 ± 0.10
Zn (ppm) 72.8 ± 11.4 384.2 ± 21.24
Fe (ppm) 1674 ± 299.6 5606.6 ± 1082.2
Mn (ppm) 42.8 ± 10.8 341.0 ± 29.54
Cu (ppm) 189.6 ± 32.8 237.20 ± 25.64

EC electrical conductivity, N nitrogen, P phosphorus, K potassium, Zn zinc, Fe iron, Mn manganese, Cu copper.