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Nutrient Management :: Soybean

SOYBEAN (Glycine max (L.) Merr.)

Seed Treatment with Biofertilizer

  • Treat the seeds atleast 24 hours before sowing.
  • Treat the seeds with 3 packets (600 g/ha) of Rhizobial culture (COS-1) and 3 packets (600 g/ha)  of Phosphobacteria developed at TNAU using rice kanji as binder. If the seed treatment is not carried out apply 10 packets of Rhizobium (2000 g/ha)  and 10 packets (2000 g)  of Phosphobacteria with 25 kg of FYM and 25 kg of soil before sowing.  Dry the bacterial culture treated seeds in shade for 15 minutes before sowing.

Fertilizer Application

  • Apply 20 kg N and 80 kg P2O5 and 40 kg K2O and 40 kg of S as gypsum (220 kg/ha) /ha as basal dressing.
  • Soil application of 25 kg ZnSO4/ha under irrigated condition     
  • Foliar spray of NAA 40 mg/l and Salicylic acid 100 mg/l once at pre-flowering and another at 15 days thereafter
  • Foliar spray of DAP 20 g/l or urea 20 g/l once at flowering and another at 15 days thereafter

RAINFED SOYABEAN

Seed Treatment with the Fungicides and Biofertilizers

  • Treat the seeds with Carbendezim or Thiram @ 2g/kg of seed 24hrs before sowing or with talc formulation of Trichoderma viride @ 4 g/kg seed or Pseudomonas fluorescens @ 10 g/kg seed.
  • Treat the seeds required for ha with three pockets of Rhizobium and 3 packets of Phosphobacteria
  • Biocontrol agents are compatible with biofertilizers.
  • First treat the seeds with biocontrol agents and then with Rhizobium.
  • Fungicides and biocontrol agents are incompatible.     

Fertilizer Application

  • Apply NPK as per soil test recommendation as far as possible. If soil test recommendation is not available adopt blanket recommendation of 20:40:20:20 NPKS kg/ha, if adequate moisture is available.
  • Apply entire dose of N, P, K and S as basal.
 

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