Soil Chemistry Profile
Key Observations The Black Stuff sample was analysed for its chemical properties to determine its nutrient contribution. Organic matter =...
The Black Stuff
The Black Stuff is natural, organic soil Humates. There are extensive trials as to their efficacy. The Black Stuff is...
Viticulture Usage
Trials The Black Stuff is an organic all purpose soil conditioner. Humate type products have been used extensively in commercial...