• Test the soil and apply fertilizers as per the recommendation
• If soil test is not done, apply 25:50:75 kg/ha of NPK fertilizers
• Apply gypsum @ 400 kg/ha on 45 days after sowing
• In calcareous soils, apply 40 kg of elemental sulphur along with 50 kg FeSO4 and 12.5 t FYM/ha

APPLICATION OF MICRONUTRIENTS

• Apply TNAU MN mixture @ 12.5 kg /ha as enriched FYM (1:10 ratio)
• MN mixture should not be incorporated into the soil, whereas, it should be applied evenly on the soil surface immediately after sowing

Foliar spray with TNAU Groundnut rich

• Foliar spray of TNAU Groundnut Rich @ 5 kg/ha in 500 litres of water at peak flowering (35 DAS) and pod development stages (45 DAS)

Application Of Calcium Sulphate (Gypsum)

• Apply gypsum @ 400 kg/ha at 40-45 days after sowing
• Avoid gypsum application in calciferous soils

Note:

• Gypsum encourages pod formation and better filling of pods
• Gypsum @ 50 % basal reduces Kalahasti malady and pod scab nematode

Combined nutrient spray

• Soak DAP 2.5 kg + Ammonium sulphate 1 kg + borax 0.5 kg in 37 litres of water overnight
• Next day, filter the supernatant solution and make it to 500 litres spray solution for one ha
• Combined nutrient spray at 25 and 35 days after sowing improves pod filling

Irrigation Management

• Irrigate at 0.40 and 0.60 IW/CPE ratio during vegetative and reproductive phase respectively
• Pegging, flowering and pod development stages are critical stage for irrigation (soil moisture deficit at these growth stages severely affect the economic yield of the crop)
• Irrigate as follows:
• Sowing or pre-sowing
• Life irrigation, 4-5 days after sowing
• One irrigation at vegetative stage
• Two irrigations at flowering stage
• One or two irrigations at pegging stage
• Two to three irrigations at pod development stage

Note :

• Sprinkler irrigation will save 30% water.