Lens and light

ஒரே ஸ்ப்ரேல எல்லா புல்லும் போச்சு! 🌿🔥 Non-Selective Herbicide A non-selective herbicide is a type of weed killer that destroys all plants it comes into contact with —both weeds and useful crops. It is commonly used when you want to clear an entire area of vegetation . 🌿 Common Non-Selective Herbicides 1. Glyphosate-based herbicides Examples: Roundup Systemic (absorbed and moves inside plant) Kills roots and shoots completely Used before sowing crops or in orchards 2. Paraquat Contact herbicide (kills only touched parts) Very fast action (plants dry quickly) Highly toxic – requires extreme care 3. Glufosinate ammonium Semi-systemic action Used in plantations and orchards Slightly safer alternative to paraquat 📍 Where It Is Applied Before planting crops (land preparation) Along roadsides, railway tracks In orchards (between rows) Industrial areas and wastelands ⚠️ Important Tips Do not spray on crops unless they are herbicide-resistan...

          1. How to Prepare for NEET 2026 from Zero (Complete Beginner Guide) NEET preparation can feel overwhelming, especially if you are starting from zero. But with the right strategy, anyone can crack it. First, understand the syllabus. Focus on NCERT books for Physics, Chemistry, and Biology. These books are the foundation for NEET. Create a daily timetable. Study at least 6–8 hours consistently. Divide your time into concepts, revision, and practice questions. Practice MCQs daily. This helps improve speed and accuracy. Use previous year question papers to understand the exam pattern. Revision is the key. Revise weekly and monthly to retain concepts. Stay consistent and avoid distractions. Even average students can crack NEET with discipline and smart work. &&&&&&&&&&&&&&&&&&&&&&&&&&& 2:Best Backup Courses After NEET Failure (High Salary Options) Not...