Mulch can substantially increase plant growth and health by encouraging soil health. Mulching improves nutrient and water retention in the soil, encourages favorable soil microbial activity and worms, and suppresses weed growth. When properly implemented, mulching can significantly improve the well-being of plants and reduce maintenance as compared to bare soil culture. Mulched plants have better vigor and consequently have improved resistance to pests and diseases. Most tropical trees have surface roots that are allowed to develop under the mulch layer, increasing plant growth dramatically.