Research Article

Effects of Organic Soil Amendments on Photosynthetic Traits of Black Pepper (Piper nigrum L.) in an Alluvial Soil

Table 2

Rate of compound chemical fertilizer application for mature vines [3, 12].

Month after plantingCompound chemical fertilizerQuantity per vine (g)

September12 : 12 : 17 : 2 + TE500
October12 : 12 : 17 : 2 + TE500
November12 : 12 : 17 : 2 + TE250
December12 : 12 : 17 : 2 + TE250
Total third year and above= 1500 g/1.50 kg

TE: trace elements.