Author:
Setiawati Tri Candra,Mandala Marga,Hartatik Wiwik
Reference14 articles.
1. Farming with rocks and minerals: challenges and opportunities
2. G. S. Sekhon, Characterization of K availability in paddy soils-present status and future requirements. Potassium in Asia-balanced fertilization to increase and sustain agricultural production. International Potash Institute, Basel, Switzerland., 1995.
3. Physical Chemistry of Soil Potassium
4. D. L. Sparks, Bioavailability of soil potassium. RC Press, Boca Raton, FL, 2000.
5. THE POTASSIUM STATUS OF SIX LOESSIAL SOILS OF CANTERBURY, NEW ZEALAND, IN RELATION TO RAINFALL AND RATE OF LOESS ACCUMULATION