International Potash Institute
K in the literature

Combining Organic and Mineral Fertilizers for Integrated Soil Fertility Management in Smallholder Farming Systems of Kenya: Explorations Using the Crop-Soil Model FIELD
Tittonell, P., M. Corbeels, M.T. van Wijk, B. Vanlauwe, and K.E. Giller.
Agron. J. 100:1511-1526 (2008), English

Effect of Potassium and C/N Ratios on Conversion of NH⁺₄ in Soils
Tang, Y., X.Z. Wang, H.T. Zhao, and K. Feng.
Pedosphere 18(4):539-544 (2008), English

Variability of Soil Properties, Early Phosphorus and Potassium Uptake, and Incidence of Pests and Weeds in Relation to Soybean Grain Yield
Sawchik, J. and A.P. Mallarino
Agron. J. 100:1450-1462 (2008), English

Perspectives for Plant Production in Switzerland in 2050
Gaume, A., R. Kölliker, M. Winzeler, M. Gygax, A. Hund, and A. Einsele.
Revue Suisse d'àgriculture 40(5):283-288 (2008), French

Effect of N and K Fertilizers on Yield and Quality of Greenhouse Vegetable Crops
Liu, Z.H., L.H. Jiang, X.L. Li, R. Härdter, W.J. Zhang, Y.L. Zhang, and D.F. Zheng.
Pedosphere 18(4):496-502 (2008), English

Effect of Nitrogen Management on Yield and Water use Efficiency of Rainfed Wheat and Maize in Northwest China
Dang Ting-Hui, Cai Gui-Xin, Guo Sheng-Li, Hao Ming-De and L.K. Heng
Pedosphere 16(4):495-504 (2006), English

Spatial-Temporal Pattern and Driving Forces of Land Use Changes in Xiamen
Quan Bin, Chen Joan-Fei, Qiu Hong-Lie, M.J.M. Romkens, Yang Xiao-Qi, Jiang Shi-Feng and Li Bi-Cheng
Pedosphere 16(4):477-488 (2006), English

Comparison of Seven Kinetic Equations for K Release and Application of Kinetic Parameters
LÜ Xiao-Nan, XU Jian-Ming, MA Wan-Zhu and LU Yun-Fu
Pedosphere 17(1): 124-129 (2007) ISSN 1002-0160/CN 32-1315/P, English

High Potassium Aggravates the Oxidative Stress Inducedy by Magnesium Deflciency in Rice Leaves
Ding, Y., C. Chang, W. Luo, Y. Wu, X. Ren, P. Wang, and G. Xu.
Pedosphere 18(3):316-327 (2008), English