Effects of Organic and Inorganic Fertilizers on Growth and Nutrient Uptake by Young Cacao (Theobroma cacao L.)

Table 3

Some chemical properties of the poultry manure used as amendment.

Chemical property	Level (concentration)
	2017	2018
OC (%)	2.5	2.1
TN (mg kg^−1)	27	24
C/N	0.9	0.9
pH (H2O)	6.6	6.9
TP (mg kg^−1)	502.6	490.7
K (mg kg^−1)	58.9	45.6
Mg (mg kg^−1)	12.8	13.2
Ca (mg kg^−1)	11.1	12.3