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. 2024 Nov 22;24:1109. doi: 10.1186/s12870-024-05758-2

Table 1.

Soil fertility levels

Organic matter
g/kg
Total nitrogen (N)
%
Total phosphorus (P)
%
Total potassium
(K2O)
%
Hydrolytic nitrogen (N)
mg/kg
Available phosphorus (P)
mg/kg
Available potassium (K2O)
mg/kg
pH
86.4 0.206 0.032 2.05 194.4 12.2 299 6.53