Research Article

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

Table 4

Soil nutrient contents and other soil properties in 0–15 cm depth and 15–30 cm depth at the study site in 2017 (prior to treatment application).

Soil propertyDepth (cm)Critical minimum
0–1515–30

Sand/clay/silt (%)58.4/31.6/1055.2/32.8/12
OC (%)1.20.93.5
TN (%)0.120.090.09
C/N1010
pH (H2O)5.315.115.60
AP (mg kg−1)5.243.3320.00
K (cmolc kg−1)0.360.320.25
Mg (cmolc kg−1)2.211.641.33
Ca (cmolc kg−1)5.264.497.50

Critical minimum of nutrients required by cacao [6].