Crozin-Atrazine 50% Wp
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Crozin Herbicide (Atrazine 50% WP) by Nichino India
The Premium Pre-Emergence Solution for Maize and Sugarcane
Struggling with aggressive weeds like "Carpet Weed" or Barnyard grass? Crozin (Atrazine 50% WP) is a specialized herbicide manufactured by Nichino India using Japanese technology. It provides a powerful chemical shield that stops weeds before they emerge, ensuring your Maize and Sugarcane crops get 100% of the soil's nutrition without competition.
Best For: Farmers looking for a "clean start" in the first 30-45 days of the crop cycle.
Why Choose This Product? Key Benefits
- ⏱️Early Action Defense: Applied within 3 days of sowing, it kills weeds at the germination stage, preventing them from ever establishing.
- ?️Japanese Formulation Quality: Produced by Nichino India (ISO 9001-2008), ensuring superior particle suspension and uniform coverage compared to generic options.
- ⏳Long-Lasting Residual Control: Provides weed-free fields for weeks, reducing the need for expensive manual labor during the critical growth phase.
- ?️Effective in Monsoon: Excellent for controlling Trianthema (Carpet Weed) which often overtakes fields during continuous rains when manual weeding is impossible.
- ?Selective Safety: Safe for Maize and Sugarcane crops, which have natural enzymes (GSTs) to detoxify the chemical while weeds perish.
Technical Specifications
| Parameter | Details |
|---|---|
| Brand Name | Crozin |
| Technical Name | Atrazine 50% WP (Wettable Powder) |
| IRAC MoA Code | Group 5 (Inhibition of Photosynthesis) |
| Chemical Group | Chlorotriazine |
| Formulation | WP (Powder to be suspended in water) |
| Toxicity Label | Blue or Yellow Triangle (Moderately Toxic) |
How It Works: Mode of Action
Crozin works systematically to starve weeds of energy. [Image of photosynthesis inhibition in plants]
- Root Absorption: When sprayed on the soil, the herbicide dissolves in soil moisture and is absorbed by the roots of germinating weeds.
- Photosynthetic Blockade: It moves up the plant and blocks the photosynthesis process in the leaves. The weed can no longer convert sunlight into food.
- Starvation & Death: The weeds turn yellow (chlorosis), brown (necrosis), and die due to energy starvation and cell membrane destruction.
Note: Maize and Sugarcane survive because they can rapidly break down the chemical into harmless compounds.
Target Crops & Pests
| Crop | Target Pest(s) |
|---|---|
| Maize (Corn) | Trianthema monogyna (Carpet Weed), Echinochloa (Barnyard Grass), Amaranthus, Cocklebur. |
| Sugarcane | Broadleaf weeds, Annual grasses, Portulaca (Purslane), Digera arvensis. |
| Rotation Note | Do not use if you plan to plant Mustard or Pulses immediately after harvest. |
Dosage & Application Guide
The Golden Rule: Always follow the "Dose per Acre" and maintain high water volume for a perfect soil seal.
Dosage per Acre, Litre, & Pre-Harvest Interval (PHI)
| Crop | Dose (g / Acre) | Water (L / Acre) | Dose (g / Litre) | PHI (Days) |
|---|---|---|---|---|
| Maize | 400g – 800g | 200 – 280 Litres | 2g – 4g | Not specified (Apply at sowing) |
| Sugarcane | 400g – 1600g | 200 – 280 Litres | 2g – 8g | Not specified |
| Heavy Soil | Use Higher Dose | High Volume | - | - |
*PHI = Pre-Harvest Interval: The minimum number of days to wait between the last spray and harvesting. *Note: Since this is applied at sowing, PHI is generally not a concern for harvest safety.
How to Apply: Best Practices
- Timing: Apply immediately after sowing, within 0 to 3 days. Do not wait for weeds to appear.
- Mixing: Since this is a Wettable Powder (WP), mix thoroughly with water and keep the tank agitated to prevent settling.
- Coverage: Use a Flood Jet or Flat Fan nozzle. Do not use mist blowers.
- Technique:Walk Backward while spraying. This ensures you do not step on the chemical film you just created, keeping the soil seal intact.
- Safety: Always wear PPE (gloves, mask, goggles). Wash hands thoroughly after use.
Frequently Asked Questions
1. Can I use Crozin if I plan to grow Mustard or Gram next season?
Use with caution. Atrazine has soil residue. Keep dosage low (1 kg/ha or 400g/acre) and deep plough the field after maize harvest to prevent damage to sensitive winter crops.
2. Why do I need to use so much water (200L/acre)?
Pre-emergence herbicides need to coat the soil surface completely to form a barrier. Low water volume leaves gaps where weeds can grow.
3. What if it rains after spraying?
Light rain helps move the chemical into the topsoil where weed seeds are. However, heavy flooding immediately after spraying may wash it away.
4. Can I use this on Cotton or Chili?
NO. Crozin is highly specific to Maize and Sugarcane. It will kill or severely damage Cotton, Chili, Vegetables, and Pulses.
5. Where can I buy original Nichino Crozin?
Due to high demand, online stock varies. It is recommended to visit authorized dealers in Secunderabad or Balanagar (Hyderabad) for fresh stock.
Safety & Disclaimer
Always read and follow the instructions on the official product label. The information provided here is for guidance only. Use personal protective equipment (PPE) during application. Do not apply near aquaculture or water bodies.