Consider rice hulls as a media component - Greenhouse Management
Where to Buy Rice Hulls For Gardening: The Best Places - Garden Song
Green Paradise® Parboiled Rice Hulls (husk) Best Horticuture Grade Rice Husk for Ideal Soilmix potting mix for all kind of plants, bonsai,succulents and seeds germination (pack of 5 litre) aprox 1 kg :
Rice Hulls (50 Lb Bag) - Grow Organic
Rice Hull Planting Aids | Granite Seed
Rice Husk, Rice Hull - Use in Potting Mix to Improve Aeration & Drainage
Zone Marketing Use Directly For All Plants - Organics Natural Rice Hull Rice Husk Powder/Best Natural Fertilizer For Garden 800-1000g : Amazon.in: Garden & Outdoors
Rice husks as a plant additive, bedding for chickens, quails, hamster