Steps

1. Not when it rains
2. /!\ Otherwise the product goes into the ground
3. Not when it's windy
4. /!\ Otherwise the product may leave on the other plants
5. What on the leaves
6. /!\ Because it passes through the leaves to reach the roots
7. Respect the dosage
8. /!\ Because it passes through the leaves to reach the roots
9. /!\ Ratio of 1 to 20
10. 250.0 ml for 5000 ml (5.00 l)
11. 37.5 ml for 750 ml (0.75 l)
12. 50.0 ml for 1000 ml (1.00 l)
13. 750x250/5000= 37.5ml
14. 1000x250/5000=50.0ml
15. For example: Roundup Innov 5L (with 480g/l of Glyphosate)

Warning

1. Glyphosate is the particularity that makes it effective, but it is no longer authorized for individuals in France, but still for professionals (even organic)