Potato and Tuber Crops

Manuring

• Apply cattle manure or compost @ 10 t/ha as basal dressing before planting.
• A fertilizer dose of 80 kg N, 60 kg P2O5 and 80 kg K2O per hectare in two split doses is needed for yams.
• Half dose of N, full dose of phosphorus and half dose of potash are to be applied within a week after sprouting.
• Remaining nitrogen and potash may be applied one month after the first application.
• Top dressing of fertilizers should be followed by weeding and earthing up.