Martins Mushroom Compost Martins Mushroom Compost is an organic soil conditioner made from the spent growing medium of the Australian mushroom industry. It is the composted material left after mushroom harvesting, making it a nutrient rich and sustainable option for improving home garden soil. This compost gradually releases nutrients to support healthy plant growth while enhancing soil structure and fertility. It is especially effective at improving soil quality by adding organic matter, reducing compaction, and supporting long term soil health in a wide range of garden applications. Features & Benefits High water retention to improve soil moisture levels Rich source of organic matter for soil improvement Provides a variety of essential plant nutrients Supports healthier and stronger plant growth Helps reduce soil compaction over time Weed free for cleaner garden application Ideal For Vegetable gardens and herb beds Flower gardens and ornamental plants Trees, shrubs, and landscaping areas Soil improvement in clay or sandy soils General garden bed preparation and maintenance