turf on slopes

https://artificialputtinggreenspost.brightsora.com/posts/creating-your-own-artificial-putting-greens-what-you-need-to-know

Keeping turf on slopes is tricky because gravity pulls soil and grass downhill, especially after heavy rain. Terracing or using erosion-control netting can help hold the turf in place, but you've got to choose deep-rooted grass varieties that anchor themselves well.