The nutrient recommendation for Coleus is 60:60:100 kg NPK/ha. The quantity of straight fertilizers to get the above dose is worked out for a cent.
The fertilizers dose needed is 521 gram urea, 1332 gram rock phosphate and 668 gram Muriate of Potash respectively for a cent. The fertilizers have to be applied in split doses.
The first split has to be applied as basal application. The urea, rock phosphate, Muriate of Potash needed at this time is 260 gram, 1332 gram, 334 gram respectively for a cent.
The second dose has to apply in 45 days after planting and the dosage is 260 gram urea, 334 gram Muriate of Potash respectively for a cent.
Lime or dolomite @ 1-3 kg per cent has to be applied in acid soils two weeks ahead of fertilizer application. Organic manure @ 40 kg/cent is recommended at planting time.
To get the details for an acre you need to multiply the values with 100.