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Fertilizers & Crop Nutrition

Zinatra FMC Zinc Fertilizer: 39.5 SC Flowable Nutrition

Zinatra is a high-concentration flowable liquid zinc fertilizer manufactured by FMC containing thirty-nine point five percent elemental zinc (39.5% SC). It delivers rapid foliar absorption and soil availability to correct zinc deficiencies, stimulate auxin hormone synthesis, and boost harvest yields.

Last reviewed: 11 November 2026

Concentrated Flowable Zinc Suspension Chemistry

Zinatra 700 contains elemental zinc formulated as a high-density suspension concentrate (39.5% Zn w/w / 700 g/L Zn).

Its micronized particle size ensures smooth dissolution in spray water and rapid absorption across leaf stomata and waxy cuticles.

Because of its high concentration, small application volumes deliver substantial elemental zinc compared to traditional zinc sulphate powders.

  • Elemental Zinc (39.5% SC): Highly concentrated flowable zinc suspension with zero dust hazard
  • Micronized particle sizing: Advanced formulation ensures rapid cuticular penetration and rainfastness
  • Auxin stimulation: Catalyzes tryptophan synthesis, promoting indole acetic acid (IAA) and internode elongation

Target Crops and Crop Stage Benefits

Zinc is the most widely deficient micronutrient across Indian agricultural soils, particularly in intensive rice-wheat rotations.

Applying Zinatra prevents Khaira disease in paddy, white bud in maize, and mottle leaf / little leaf in fruit orchards.

  • Paddy: Prevents and cures Khaira disease (rusty brown spots and severe seedling stunting)
  • Maize: Prevents white bud chlorosis on young emerging whorl leaves
  • Citrus and orchards: Corrects little leaf and mottle leaf, ensuring healthy canopy development

Application Practices, Tank Mixing, and Soil Health

Dilute the required liquid concentrate in clean water with gentle stirring and apply using high-volume knapsack sprayers.

Zinatra is compatible with most standard non-alkaline insecticides and fungicides, facilitating combined tank passes.

Farmers should match zinc applications with Soil Health Card recommendations to correct specific regional deficits.

  • Foliar spray: Apply during active tillering or vegetative branching for rapid cellular greening
  • Soil test alignment: Coordinate applications with Soil Health Card guidelines for balanced nutrition
  • Personal protection: Wear protective rubber gloves, mask, and safety goggles during preparation

Official source

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Department of Fertilizers - IFMS Portal ↗

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Common questions

What is the zinc percentage in FMC Zinatra?

Zinatra contains 39.5% elemental zinc (700 grams of zinc per liter) in a concentrated flowable suspension formulation.

How does Zinatra cure Khaira disease in rice?

Khaira disease is caused by acute zinc deficiency; foliar spraying of Zinatra delivers immediate plant-available zinc to restore green vigor.

Can Zinatra be tank-mixed with crop protection sprays?

Yes, Zinatra is compatible with most neutral fungicides and insecticides, though a preliminary jar test is always recommended.

General guidance, not personal advice. For your farm, ask your local Krishi Vigyan Kendra or agriculture officer.

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