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Description
rice herbicide Novlect Herbicide (Florpyrauxifen-benzyl 2.13% + Cyhalofop-butyl 10.64% EC) – AgriVruddhiProduct Name: Novlect Technical Name: Florpyrauxifen benzyl 2. 13% + Cyhalofop butyl 10. 64% EC Product Type: Herbicide Brand Name: Corteva Product Overview: Novlect is a systemic post emergence herbicide for rice, combining Rinskor (Florpyrauxifen benzyl) and Cyhalofop butyl in an EC formulation. It provides fast and broad spectrum weed control, strong rain fastness, and longer residual effectiveness, helping rice crops escape competition from weeds
Product Name: Novlect
Technical Name: Florpyrauxifen-benzyl 2.13% + Cyhalofop-butyl 10.64% EC
Product Type: Herbicide
Brand Name: Corteva
Product Overview:
Novlect is a systemic post-emergence herbicide for rice, combining Rinskor (Florpyrauxifen-benzyl) and Cyhalofop-butyl in an EC formulation. It provides fast and broad-spectrum weed control, strong rain-fastness, and longer residual effectiveness, helping rice crops escape competition from weeds during critical early growth and maximize yield potential.
Summary:
| Feature | Details |
|---|---|
| Formulation Type | EC (Emulsifiable Concentrate), post-emergence systemic herbicide |
| Target Crop(s) | Rice — Transplanted rice & Direct-seeded rice |
| Target Weeds (Weed Species) | Grasses: Echinochloa colona, Echinochloa crusgalli, Leptochloa chinensis etc.; Sedges (e.g., Cyperus spp., Monochoria vaginalis); Broadleaf weeds like Eclipta alba, Ludwigia parviflora, Ammannia baccifera etc. |
| Timing of Application | 15-20 days after sowing/transplanting rice; when weeds are at the 3-5 leaf stage. |
| Dosage / Application Rate | 500 ml / acre in 150-200 L of water per acre, using flood-jet / flat-fan nozzle on knapsack or equivalent sprayer. |
| Speed of Action / Duration | Visual symptoms in weeds appear within hours-days; susceptible weeds die typically within 12-14 days after application. |
| Rainfastness | ~1 hour ‒ the formulation is rain-fast after about an hour, helping avoid wash-off from light rain. |
| Toxicological / Environmental Profile | Favorable for birds, terrestrial & aquatic animals; classified as a Reduced Risk pesticide in certain uses. |
Benefits:
- Broad-spectrum weed control- Controls grasses, sedges, and broadleaf weeds in rice, including Echinochloa spp., Cyperus spp., Monochoria, Ludwigia, etc.
- Dual active ingredients for stronger efficacy- Combines Florpyrauxifen-benzyl (Rinskor™) and Cyhalofop-butyl, ensuring effective action on both grasses and broadleaf weeds.
- Fast action & visible results- Weeds show symptoms quickly, and complete kill occurs within 12–14 days after application.
- Longer duration of control- Provides extended protection during the critical early growth stage of rice, reducing the need for repeated sprays.
- Rainfast formulation- Becomes rain-safe in about 1 hour after spraying, ensuring reliable performance even under unpredictable rainfall.
- Supports better crop establishment- Protects rice plants from early weed competition, helping in healthy tillering and vigorous crop growth.
- Higher yield potential- By eliminating weed competition, rice plants utilize nutrients, sunlight, and water efficiently, leading to improved grain yield and quality.
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Favorable environmental profile- Classified as having a reduced-risk profile, safe for birds, fish, and other non-target organisms when used as directed.
Disclaimer
The information provided here is intended for general knowledge and reference purposes only. Always refer to the product label and accompanying leaflets for complete and up-to-date product details, including directions for use, warnings, and safety information. Use only as directed.
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4.1 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 5
Interesting
Format: Paperback
Product with very good quality, its description matches the website.
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Reviewed in the United States on April 11, 2026
★★★★★ 5
A wonderful primer for those discovering the amazing world of generative AI
Format: Paperback, Format: Paperback
Somewhere in the past year, ChatGPT has gone from "cool, interesting, amusing" to a massively valuable work assistant capable of writing Python scripts, analysing data, and doing lots, lots, more. The key to this? The rapid evolution of OpenAI's GPT models and making my first forays into prompt engineering.
If I thought I was getting good, though, this book took me reminded me that I'm just scratching the surface. Halfway through the first chapter I was already furiously scribbling notes in the margins for what I could do better with my prompt writing and by the end of the text I felt like I had gotten a very good grounding - not just in GPTs specifically but in the bigger picture of how these hugely powerful tools were trained and came to maturity.
I imagine that few will argue with my assertion that there is lots of hyperbole and "noise" in the AI space right now which, as ever, makes it hard to pick out the signal from the noise. Which is precisely why I sought out an O'Reilly title and I'm very glad that I did.
Thorough, excellent, and I hope that this edition will be the first of many. As this rapidly maturing field scales and matures I think that prompt engineering will be an essential discipline to master. Pick up this text to get a good foothold on things.
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Reviewed in the United States on August 3, 2024
★★★★★ 4
Understanding AI prompts as a science
Format: Audiobook
Prompt engineering is the art and science of finding the right words to generate the right responses from artificial intelligence (AI). It's becoming a skill in-demand in today's workplaces. It's also becoming an essential skill for life. To understand prompt engineering, you must understand how AI tools understand their inputs. This book explains that to you in many forms.
It covers prompting as it intersects all the major AI disciplines, like general prompts (as in a ChatBot), fine-tuning, and retrieval-augmented generation (RAG). It also introduces how prompting intersects a couple of image-generation tools.
As a scientist, I appreciate the theoretical approach to these practical matters. Too many people are hacks at AI these days, and any technical understanding can rapidly advance an individual's effectiveness. Prompt engineering is often made fun of as a "soft" topic, but as this book demonstrates, it intersects all the major AI areas. Presumably less garbage in means less garbage out. This book shows how you can make that take place.
As typical for O'Reilly materials, this book appeals to people who desire an intermediate-to-advanced understanding of how AI works. It's not for the casual user. Anyone technical involved in professional knowledge generation using AI can benefit from understanding the dynamics "under the hood." It's a good, though perhaps not ground-breaking, textbook for those of us unable to take a class in the subject. Prompt engineering may be a soft topic to many, but books like this ground the field in the science that can make or break a digital or software product.
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Reviewed in the United States on December 13, 2025
★★★★★ 5
Great book
Format: Paperback
Great book! It is helpful as I work towards my Masters of Science in Applied Artificial Intelligence
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Reviewed in the United States on December 20, 2025
★★★★★ 5
Comprehensive Guide with Practical Insights
Format: Paperback
This is a solid book for understanding the art and science of working with LLMs and other generative AI models. I always struggled with getting the output I was looking for, and wasn't sure how best to "ask" the models for what I wanted. This book did a great job of laying out the strategies and practical guidance to craft the prompts. There were a lot of tips and tricks, but the overall understanding and framework around prompt engineering has been super useful.
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Reviewed in the United States on June 25, 2024