Sheet Mulching by Craig Elevitch and Kim Wilkinson - Permanent Agriculture Resources Why Mulch? Agriculture with mulch in the tropics promotes plant health and vigor. Mulching improves nutrient and water retention in the soil, encourages favorable soil microbial activity and worms, and suppresses weed growth. When properly executed, mulching can significantly improve the well-being of plants and reduce maintenance as compared to bare soil culture. Mulched plants have better vigor and, … [Read more...]