Effect of a decade-long chemical fertilizers and amendments application on potassium fractions and yield of maize​–wheat in an acid Alfisol

References

• Attoe, O. J., and E. Truog. 1945. Exchangeable-K and acid-soluble potassium as regards availability and reciprocal relationships. Soil Science Society of America Proceedings 10:81–86.
   Google Scholar
• Bhardwaj, V., S. K. Bansal, S. C. Maheshwari, and P. K. Omanwar. 1994. Long-term effects of continuous rotational cropping and fertilization on crops yields and soil properties. III. Changes in the fractions of N, P and K of the soil. Journal of the Indian Society of Soil Science 42:392–97.
   Google Scholar
• Bhatnagar, G. S., G. L. Sharma, and P. C. Chaplot. 1994. Long term effect of continuous maize (Zea mays)-wheat (Triticum aestivum) cropping system and manuring on soil fertility and stability in crop yield. Indian Journal of Agricultural Sciences 64:821–23.
   Web of Science ®Google Scholar
• Brady, N. C., and R. R. Weil. 2002. The nature and properties of soils. 13th ed. New Delhi: Pearson Education (Singapore) Pvt. Ltd.
   Google Scholar
• Dhanorkar, B. A., D. K. Borkar, R. B. Puranik, and R. P. Joshi. 1994. Forms of soil potassium as influenced by long-term application of FYM and NPK in Vertisol. Journal of Potassium Research 10:42–48.
   Google Scholar
• Gomez, K. A., and A. A. Gomez. 1984. Statistical procedures for agricultural research, 2nd ed., 680. New York, USA: John Wiley and Sons.
   Google Scholar
• Grewal, J. S., and J. S. Kanwar. 1966. Forms of potassium in Punjab soils. Journal of the Indian Society of Soil Science 14:63–67.
   Google Scholar
• Kaskar, D. R., V. G. Salvi, B. S. Mayekar, and D. J. Dabke. 2000. Forms of potassium and their interrelationship with other soil properties of inceptisols of west coast of Maharastra. Journal of Potassium Research 17:23–27.
   Google Scholar
• Kaushal, V. 2002. Studies on long-term effects of chemical fertilizers and amendments on sustainable use of soil in wet temperate zone of western Himalayas. M Sc Thesis.,Palampur, India: Department of Soil Science, CSKHPKV. 99.
   Google Scholar
• Khan, B. H., D. D. Kumbhar, K. S. Pharande, S. V. Mahajan, and K. R. Sonar. 1993. Effect of forms of N,P and K on sorghum and greengram yield using path analysis. Journal of the Indian Society of Soil Science 41:278–82.
   Google Scholar
• Kher, D., and R. S. Minhas. 1991. Changes in the forms of potassium with continuous manuring and cropping in an Alfisol. Journal of the Indian Society of Soil Science 39:365–67.
   Google Scholar
• Rao, S., and M. S. Khera. 1995. Consequences of potassium depletion under intensive cropping (India). Better Crops 79:24–25.
   Google Scholar
• Santhy, P., S. Jayasree, P. Muthuvel, and D. Selvi. 1998. Long-term fertilizer experiments: Status of N, P and K fractions in soil. Journal of the Indian Society of Soil Science 46:395–98.
   Google Scholar
• Sardaki, J., and A. Balla. 1990. Long term fertilizer field trials on a calcareous chernozem soil. III. Maize experiments. Agrokemiaes Talajtan 39:103–10.
   Google Scholar
• Sepehya, S., S. K. Subehia, S. C. Negi, S. S. Rana, and S. K. Sharma. 2012. Potassium dynamics with long-term addition of chemical fertilizers and organics in rice-wheat sequence. Research on Crops 13:822–28.
   Google Scholar
• Sharma, R. P., and T. S. Verma. 2000. Effect of long-term lantana addition on soil potassium fractions, yield and potassium uptake in rice-wheat cropping in an acid Alfisols. Journal of Potassium Research 16:41–47.
   Google Scholar
• Sharma, S. P., S. K. Subehia, and P. K. Sharma. 2002. Long term effects of chemical fertilizers on soil quality, crop productivity and sustainability. Research Bulletin. Palamur, India: CSK Himachal Pradesh Krishi Vishvavidyalaya.
   Google Scholar
• Sinha, S. K., V. N. Singh, and K. P. Singh. 1997. Effect of continuous application of manures and fertilizers on available nutrients in an alluvial soil. Journal of Research (BAU) 9:163–66.
   Google Scholar
• Sood, B., S. K. Subehia, and S. P. Sharma. 2008. Potassium fractions in acid soil continuously fertilized with mineral fertilizers and amendments under maize-wheat cropping. Journal of the Indian Society of Soil Science 56:54–58.
   Google Scholar
• Sutton, P., and W. A. Seay. 1958. Relationship between the potassium removed by millet and red clover and the potassium extracted by 4 chemical methods from 6 Kentucky soils. Soil Science Society of America Proceedings 22:110–15.
   Google Scholar
• Swarup, A. 2000. Long-term fertilizer experiments to study changes in soil quality, crop productivity and sustainability. Bhopal: Indian Institute of Soil Science.
   Google Scholar
• Tisdale, S. L., W. L. Nelson, and J. D. Beaton. 1985. Soil fertility and fertilizers. New York, USA: Macmillan Publishing Company.
   Google Scholar
• Verma, R. K., and N. Ram. 1994. Effect of continuous cropping and fertilizer application on different forms of potassium in a Mollisol. Journal of Potassium Research 10:149–54.
   Google Scholar
• Verma, S. 2002. Studies on long term effects of chemical fertilizers and amendments on phosphorus dynamics and its budgeting in wet temperate zone soils of western Himalayas. M.Sc. Thesis., Palampur, India: Department of Soil Science, CSK Himachal Pradesh Krishi Vishvavidyalaya.
   Google Scholar
• Verma, T. S., and S. Singh. 1996. Effect of lime and gypsum on different forms of soil aluminium and acidity and crop yields in acid Alfisols of Himachal Pradesh. Journal of the Indian Society of Soil Science 44:417–21.
   Google Scholar