The nutrient recommendation for White yam is 100:50:100 kg NPK/ha. The quantity of straight fertilizers to get the above dose is worked out for a cent.

The fertilizers dose needed is 868 gram urea, 1110 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 at the time when 50 % of the sets are sprouted. The urea, rock phosphate, Muriate of Potash needed at this time is 434 gram, 1110 gram, 334 gram respectively for a cent.

The second dose has to apply in one month after first application and the dosage is 434 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 @ 60 kg/cent is recommended at planting time.

To get the details for an acre you need to multiply the values with 100.