Q.How Do I Cope With All The Grass Mowings From 1/2 Acre Garden
had complaints about smell from heap which gets sludgy.
Certified GKH Gardening Expert
If your mower is a mulching mower you can leave the clippings on the grass to decompose and enrich the grass. If you must pick it up, grass can be used as mulch or start a compost heap. You need to add "browns" to offset the greens.
Here is more:
https://www.gardeningknowhow.com/lawn-care/lgen/what-to-do-with-grass-clippings.htm
https://www.gardeningknowhow.com/garden-how-to/mulch/mulching-with-grass-clippings.htm
https://www.gardeningknowhow.com/composting/ingredients/grass-clipping-composting.htm
https://www.gardeningknowhow.com/composting/basics/ultimate-beginners-guide-composting.htm