Growth medium Available nitrogen (%) Available phosphorus (ppm) Organic carbon (%)
Soil and sand mixture 2.3 2.45 0.37
Cattle manure 13.16 11.05 3.70
Poultry manure 38.96 197.5 0.6
Vermicompost 9.44 193.5 7.15
Soil texture - Sand: 40%, Silt: 26.67% and Clay: 33.33%
Table 1: Chemical parameters of organic manures.
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