سم می‌زنی ولی علف هرز نمی‌میره؟ ۵ دلیل مهم!

Why do you spray pesticides but the weeds don't die? 5 fatal mistakes in spraying! Have you ever had weeds in your garden or land persist despite buying expensive pesticides? Many gardeners think that the problem is the quality of the pesticide, but the truth is something else! In this video from the "Gardening Education" channel, we examine 5 scientific and key reasons that cause your pesticide spraying operation to fail. By following these simple tips, you will both save money and have a clean, weed-free garden. 📌 What you will learn in this video: 00:00 Introduction; Why doesn't herbicide work? 01:21 Personal experience in improper use of pesticides 01:37 First reason: Spraying pesticides at high daytime temperatures (heat stress) 03:01 Second reason: Weed growth stage (old or young) 04:08 Third reason: Hydrophobicity and waxy layer of leaves 05:08 The role of dishwashing liquid (surfactant) in the absorption of pesticides 05:37 Fourth reason: Rainfall and irrigation time after spraying 06:46 Fifth and most important reason: Water quality and hardness 07:53 The effect of pH and water salts on the effectiveness of glyphosate 09:03 Summary and final tips before increasing the dose of pesticides 🌱 If you are interested in the world of gardening and agriculture, be sure to subscribe to our channel so you don't miss the next videos! #Gardening #Weed #Pesticide #Agricultural_Education #Herbicide #Gardening