Varieties of Potato:

Seed Rate:

Seed Diameter Spacing Seed Rate
2.5cm x 3.0cm 45cm x 15cm 10 qt/ha
4.0cm x 5.0cm 50cm x 20cm 25 qt/ha
2.5cm x 4.0cm 60cm x 25cm 20 qt/ha


Growth period and water requirement :

Stage of Growth
Parameter Initial Stage Crop Development Mid-Season Late Season Growth Period
Duration Days 25 30 30-45 30 115-130
ETm (mm) 10% 30% 50% 10% 500-700 mm
Kc 0.4-0.5 0.7-0.8 1.05- 1.20 0.85-0.95 -

Drip system recommendation from Premier Range:

Crop Spacing
Soil Type Product Selection Premier Range Lateral Spacing
Emitter Spacing
Emitter Discharge
Emitters per Plant
[(0.60+0.60) 0.15] Clay Drip-In/ In-Dri 1.20 0.40 2lph n/a
[(0.60+0.50) 0.15 Loam Drip-In/ In-Dri 1.10 0.40 2lph n/a
[(0.50+0.50) 0.15 Sandy Drip-In/ In-Dri 1.00 0.30 2lph n/a

Note: For irrigating potato micro-sprinklers/ impact sprinklers (RAYN/ M-110ST) can also be used

Fertilizer Recommendation :

The quantity of fertilizer to be applied per ha. is as given below:

Irrigated Rain Fed
Seed Tubers 1500-2000 kg 1500-2000 kg
Organic Manure 25 t 25 t
Nitrogen 125 kg 75 kg
Phosphorus 100 kg 75 kg
Potassium 125 kg 100 kg


Kc = Crop co-efficient.
ETo = Reference evapo-transpiration (mm)
ETm = Maximum evapo-transpiration = Kc x ETo (mm)
ETa = Evapo-transpiration actual (mm)
Ya = Actual yield
Ym = Maximum yield


Note: The advice and descriptions given herein are for general information only. Premier Irrigation cannot be held responsible for its use or application

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