| http://www.w3.org/ns/prov#value | - Rice hulls are a product that would normally be thrown away, so putting them to extra use in hydroponics re-purposes something that would otherwise be thrown away.Benefits of Rice HullsMakes use of a byproduct that would otherwise be wastedRetains little waterDownsides of Rice HullsDecays over timeWhere to Buy Rice HullsRice Hulls - 2.5 Gallons
|
