The nutrient recommendation for Sweet potato is 75:50:75 kg NPK/ha. The quantity of straight fertilizers to get the above dose is worked out for a cent.

The fertilizers dose needed is 651 gram urea, 1110 gram rock phosphate and 501 gram Muriate of Potash respectively for a cent. The fertilizers have to be applied in split doses.

The first dose has to be applied at the time of planting. The urea, rock phosphate, Muriate of Potash needed at this time is 325 gram, 1110 gram, 501 gram respectively for a cent.

The second dose has to apply in 4-5 weeks after sowing and the dosage is 326 gram urea 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.