Comparing Apples with Oranges.
Reganold, J.P., and A. Dobermann. 2012. DOI:10.1038/485176a. Nature 485:176-177.

Long-Term Effects of Crop Residues and Fertility Management on Carbon Sequestration and Agronomic Productivity of Groundnut-Finger Millet Rotation on an Alfisol in Southern India.
Srinivasarao, Ch. et al. 2012. DOI: 10.1080/14735903.2012.662392. International Journal of Agricultural Sustainability.

Phosphate and Potash - Reconsidering their Importance and Use.
Dawson, C. 2011. Royal Agricultural Society of England. Journal, Vol. 172.

Improving Regional Fertilizer Markets in West Africa.
Bumb, B. et al. March 2012. IFPRI Policy Brief 20.

Sodium-Potassium Synergism in Theobroma Cacao: Stimulation of Photosynthesis, Water-Use Efficiency and Mineral Nutrition.
Gattward, J.N., A.A.F. Almeida, J.O. Souza Jr., F.P. Gomes, and H.J. Kronzucker. 2012. DOI: 10.1111/j.1399-3054.2012.01621.x. Physiologia Plantarum.

Agronomic Characteristics of Spring Planted Sunflower Hybrids as Influenced by Potassium Application.
Zaidi, H.S. et al. 2012. The Journal of Animal and Plant Sciences 22(1):148-153.

Differential Response of Radish Plants to Supplemental Ultraviolet-B Radiation under Varying NPK Levels: Chlorophyll Fluorescence, Gas exchange and Antioxidants.
Singh, S. et al. 2012. DOI: 10.1111/j.1399-3054.2012.01589.x. Physiologia Plantarum 145(3):474-484.

The Role of Potassium and Zinc in Reducing Salinity and Alkalinity Stree Conditions in Two Wheat Genotypes.
Morshedi, A., and H. Farahbakhsh. 2012. DOI: 10.1080/03650340.2010.529610. Archives of Agronomy and Soil Science 58(4-6):371-384.

Growth Response of the Salt-Sensitive and the Salt-Tolerant Sugarcane Genotypes to Potassium Nutrition under Salt Stress.
Ashraf, M. et al. 2012. DOI: 10.1080/03650340.2010.529609. Archives of Agronomy and Soil Science 58(4-6):385-398.

Long-Term Impacts of Global Food Crisis on Production Decisions: Evidence from Farm Investments in Indonesia.
Manabu Nose, and Futoshi Yamauchi. The World Bank.

Citrus Can Help Prevent Vitamin A Deficiency in Developing Countries.
Burri, B.J. et al. 2011. DOI: 10.3733/ca.v065n03p130. California Agriculture 65(3):130-135.