potassium

Wheat Straw Biochar Boosts Soil Phosphorus and Potassium by Up to Fivefold in Fertile Luvisols
Double Manure Rate Drives 45.4%−67.5% Higher K and Ca in Sorghum Soil, Outperforming Biochar for Nutrient Enrichment
The Right Acid and Biochar: A Recipe to Boost Soil Phosphorus by Over 100%
Biochar from Human Waste Offers a Circular Solution to Fertilizer Shortages
Superchar: Turning Sewage Sludge into Sustainable Fertilizer and Combating Climate Change
Enhancing Phosphorus Availability in Sewage Sludge Biochar with Wood Ash Extract Boosts Plant Growth
Bacteria and Biochar: A Synergistic Approach to Alleviating Saline-Alkaline Stress in Grapes
Enhancing Sweet Corn Growth with Climate-Smart Agriculture
The Impact of Organic Fertilizers on Saffron Growth in Saline Soils
Effects of Lignin Composition on Cottonwood Biochar Properties