Best Biofertilizer for Maize (Makka) in India 2026: Dosage per Acre, Price & Kharif–Rabi Schedule

Quick answer: the best biofertilizer for maize in India

For maize (makka / corn), the most effective and economical programme is a liquid NPK Consortia biofertilizer at 1 litre per acre combined with Mycorrhiza (VAM) at 100 g per acre. NPK Consortia supplies nitrogen, phosphorus and potash biologically through live Azotobacter, PSB and KMB cultures, while VAM extends the root system so the plant reaches phosphorus and moisture it would otherwise miss. Used together, maize growers can safely cut chemical urea and DAP by 25–40%, improve cob length and kernel fill, and typically see a yield lift of 8–15%. A 50 litre drum of Orgogrowth NPK Consortia costs ₹4,699 (incl. GST, free Pan-India delivery) and treats up to 50 acres at 1 L/acre, while a 1 kg pack of Mycorrhiza VAM Powder (6000 IP/gm) is ₹2,499 and covers about 10 acres. Both are FCO 1985 compliant and made in an ISO 9001:2015 certified plant.

"One litre of NPK Consortia and 100 grams of VAM per acre is the complete biological base for maize — everything else is fine-tuning." — Orgogrowth India agronomy team

Why maize responds strongly to biofertilizers

Maize is one of the hungriest cereals we grow: a good 25–30 quintal/acre crop removes roughly 40–50 kg of nitrogen, 20–25 kg of phosphate and 35–40 kg of potash from the soil. Most of that phosphate is applied as DAP, and in the black and red soils of Karnataka, Maharashtra, Telangana, Bihar and Madhya Pradesh 60–80% of it becomes fixed and unavailable within weeks. Maize also has a shallow, fibrous root system that is easily stressed by a dry spell at tasselling and silking — the two stages that decide how many kernels you harvest.

• NPK Consortia puts live Azotobacter (nitrogen fixation), Bacillus megaterium / PSB (phosphate solubilisation) and Frateuria aurantia / KMB (potash mobilisation) directly into the root zone. Every Orgogrowth batch is lab-tested to meet or exceed the FCO 1985 standard of a minimum 1 × 10⁸ CFU per ml for each strain, so the count you pay for is the count that reaches the field.
• Mycorrhiza (VAM) colonises maize roots within 2–3 weeks and pushes a hyphal network 2–3 metres beyond the root zone. Maize is one of the most mycorrhiza-responsive crops known — the fungus supplies both phosphorus and water, which is exactly what the crop lacks at tasselling.

Recommended dosage and schedule for maize

Maize is grown in kharif (sown June–July), rabi (October–November, mainly in Bihar, Andhra Pradesh, Telangana and Karnataka) and spring (February–March). The programme is the same in every season:

• Seed treatment at sowing (highest ROI): Mix 5–10 ml of NPK Consortia per kg of seed into a thin slurry, coat the seed, dry in shade for 30 minutes and sow the same day. Apply 100 g of VAM powder per acre in the seed furrow, or mix it with 50–100 kg of FYM or compost and place it along the seed line.
• Soil or drip application at knee-high stage (25–30 days after sowing): 1 litre of NPK Consortia per acre, mixed with FYM and broadcast before irrigation, or injected through drip in the evening. This is the stage when maize sets its ear size, so nutrient availability now pays directly in cob length.
• Optional booster before tasselling (45–50 days): A second 1 L/acre application of NPK Consortia through drip for high-yield hybrids or sweet corn. Growers on drip can use the Mycorrhiza VAM Liquid (50 Ltr drum) at 2–3 L/acre instead of the powder for easier injection.
• All-in-one option: If you prefer a single drum, NPK+VAM Consortia combines Azotobacter, PSB, KMB and Mycorrhiza and is applied at 3–4 L/acre once at knee-high stage.

Keep a 7–10 day gap between any chemical fungicide (Carbendazim, Mancozeb, seed-dressing fungicides) and the biofertilizer so the live cultures survive. Biofertilizer can be applied alongside a reduced dose of urea and DAP without any problem.

What it costs and what you save

At 1 L/acre, the ₹4,699 NPK Consortia drum works out to roughly ₹94 per acre; VAM powder adds about ₹250 per acre. Against that, cutting one bag of DAP and one bag of urea per acre saves ₹1,500–2,000 at current retail prices, before counting the extra yield. Most maize growers recover the biofertilizer cost four to six times over within a single season, and the benefit compounds because mycorrhizal populations and soil organic activity carry over into the next crop.

Field tips for maximum maize response

• Apply with moisture in the soil — with the sowing irrigation or just before an expected rain. Dry soil kills the microbes before they can establish.
• Do not broadcast live biofertilizer in the midday sun; evening application protects the cultures.
• Combine with organic matter (FYM, compost, or the previous crop's residue treated with a decomposer). Organic carbon feeds the microbial population and multiplies the benefit.
• For rabi maize in Bihar and the Deccan, where cold soils slow phosphorus uptake, VAM is the single most useful input for early vigour.
• Zinc deficiency is common in maize soils — pair with a zinc-solubilising input if leaves show white bands near the midrib.

Frequently Asked Questions

Q: What is the best biofertilizer for maize?
A: A liquid NPK Consortia at 1 L/acre combined with Mycorrhiza (VAM) at 100 g/acre. NPK Consortia supplies N, P and K biologically, while VAM unlocks fixed soil phosphorus and improves drought tolerance at tasselling and silking.

Q: How much biofertilizer is needed per acre of maize?
A: 1 litre of liquid NPK Consortia per acre, plus 100 g of Mycorrhiza VAM powder per acre. If using the combined NPK+VAM Consortia, apply 3–4 litres per acre.

Q: What is the price of biofertilizer for maize?
A: Orgogrowth NPK Consortia is ₹4,699 per 50 Ltr drum (incl. GST, free delivery) — about ₹94 per acre at 1 L/acre. Mycorrhiza VAM Powder 1 kg is ₹2,499 and covers roughly 10 acres.

Q: Can biofertilizer replace urea and DAP on maize completely?
A: Not fully. It lets you cut chemical urea and DAP by 25–40% without losing yield, and usually raises yield 8–15% while improving soil health season after season.

Q: When should I apply biofertilizer to maize?
A: As a seed treatment at sowing, and again as a soil or drip application at the knee-high stage (25–30 days after sowing). An optional second dose before tasselling helps high-yield hybrids.

Q: Does it work for sweet corn and baby corn?
A: Yes — the same 1 L/acre NPK Consortia plus 100 g/acre VAM schedule applies. Sweet corn and baby corn growers on drip usually prefer the liquid VAM at 2–3 L/acre.

Q: Is it certified and how fast is delivery?
A: Yes — FCO 1985 compliant and ISO 9001:2015 manufactured. Orders are dispatched in 24–48 hours with free Pan-India delivery (UPI, card, net banking).

Planning your rabi maize sowing? Explore NPK Consortia, Mycorrhiza VAM Powder and the all-in-one NPK+VAM Consortia at orgogrowth.com.