Elephant foot yam-Fertilizer information
The nutrient recommendation for Elephant foot yam is 100:50:150 gram 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, 1111 gram rock phosphate and 1000 gram Muriate of Potash respectively per cent. The fertilizers have to be applied in split doses.
The first split has to be applied in 45 days after planting. The urea, rock phosphate, Muriate of Potash needed at this time is 434 gram, 1111 gram, 500 gram respectively per cent.
The second dose has to apply in 75 days after planting and the dosage is 434 gram urea, and 500 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 @ 2.5 kg/plant is recommended at planting time.
To get the details for an acre you need to multiply the values with 100.