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Application of Biofertilizers
- Seed treatment or seed inoculation;
- Seedling root dip;
- Main field application.
Seed treatment
One package of the inoculant is mixed with 200 mL of rice kanji to make a
slurry. The seeds required for an acre are mixed in the slurry so as to have a
uniform coating of the inoculant over the seeds and then shade-dried for 30
minutes. The shade-dried seeds should be sown within 24 hours. One package of
the inoculant (200 g) is sufficient to treat 10 kg of seeds.
Seedling root dip
Suspend 1 to 2 kg each of nitrogen-fixing (Azotobacter/Azospirillum) and
phosphate-solubilizing biofertilizer into just sufficient quantity of water
(5–10 L depending upon the quantity of seedlings to be planted in one acre). Dip
the roots of seedlings in this suspension for 20–30 min before transplanting. In
case of paddy, make a bed of sufficient size (2 m x 1.5 m x 0.15 m) in the
field, fill it with 5 cm of water and suspend 2 kg each of Azospirillum and
phosphate-solubilizing biofertilizer and mix thoroughly. Now dip the roots of
seedlings in this bed for 8–12 hours (overnight) and then transplant.
