Effect of split application of potassium on yield and yield attributes of Soybean [Glycine max (L.) Merrill]

DOI: 10.18805/IJARe.A-5195    | Article Id: A-5195 | Page : 358-361
Citation :- Effect of split application of potassium on yield and yield attributes of Soybean [Glycine max (L.) Merrill].Indian Journal Of Agricultural Research.2019.(53):358-361
Seema Sharma, Amit Kaul and Mandeep Singh amitkaul@pau.edu
Address : Krishi Vigyan Kendra, Pathankot Punjab Agricultural University, Ludhiana-141 004, Punjab, India.
Submitted Date : 20-12-2018
Accepted Date : 23-03-2019

Abstract

A field experiment was conducted at Punjab Agricultural University, Regional Research Station, Gurdaspur (Punjab) during kharif 2016-17, to study the effect of split application of potassium on yield and yield attributes of soybean. The experiment was conducted in randomized complete block design with seven treatments applied at sowing and as split application of potassiumT1: Recommended fertilizer dose (12.5 kg N, 32 kg P2O5and no potassium application) , T2: 15 kg K2O  ha-1(at sowing), T3: 30 kg K2O ha-1(at sowing), T4:60 kg K2O ha-1(at sowing), T5: 7.5 kg K2O ha-1 (at sowing)  +  7.5 kg K2O ha-1 (at flowering), T6: 15 kg K2O ha-1(at sowing) +15 kg K2O ha-1(at flowering), T7: 30 kg K2O ha-1(at sowing) +30 kg K2O ha-1(at flowering). Results revealed that significantly higher grain yield (25.2 q ha-1) was obtained in T7 (30 kg K2O ha-1 (at sowing) + 30 kg K2O ha-1 (at flowering) as compared to all other treatments but it was statistically at par with the split application of potassium @ 15 kg K2O ha-1 (at sowing) + 15 kg K2O ha-1 (at flowering) (T6) with grain yield of (22.6 q ha-1). Split application of potassium significantly increased soybean grain yield over the basal application with highest benefit cost ratio (7.1). Among the split application of potassium, grain yield of soybean was increased significantly by 15.6 % in T7 treatment over T5. Split application of potassium was more beneficial than applying full dose of potassium at the time of sowing due to higher number of pods and pod weight plant-1. 

Keywords

B:C ratio Grain yield Potassium Soybean Yield attributes.

References

  1. Agarwal, D. K., Billore, S. D., Sharma, A. N., Dupare, B. U. and Srivastava, S. K. (2013). Soybean introduction, improvement and utilization in India—Problems and Prospects. Agricultural Research. 2 (4): 293-300.
  2. Bansal, S. K., Dixit, A.K., Imas, P. and Magen, H. (2001).The effect of potassium application on yield and quality of soybean and wheat in Madhya Pradesh. Fertiliser News. 46: 45-52.
  3. Coale, F. J. and Grove, J. H. (1990). Root distribution and shoot development in no-till full season and Double-Crop Soybean. Agronomy Journal. 82: 606-612.
  4. Darko, KIŠ, Branko, SUÈIÆ, Vlado, GUBERAC, Neven, VOÆA, Vlatka, ROZMAN, Luka, ŠUMANOVAC. (2009). Soybean biomass as a renewable energy resource. Agricultures Conspectus Scientifics.74 (3): 201-203.
  5. Femandez, F. (2012). Com Soybean showing signs of potassium deficiency. Corn and Soybean digest newsletter.
  6. Grewal, H. S., Kolar, J. S. and Singh, D. (1994). Effect of potassium and nitrogen on growth and yield of soybean [Glycinemax (L.) Merrill]. Journal of Potassium Research. 10: 173-77.
  7. Hoeft, R.G., Nafziger, E.D., Johnson, R.R. and Aldrich, R. (2000). Modern Corn and Soybean Production, MCSP Publications, USA, Pp 353.
  8. Kolar, J. S. and Grewal, H. S. (1994). Effect of split application of potassium on growth, yield and potassium accumulation by soybean. Fertilizer Research. 39 (3): 217-222.
  9. Kundu, V. S., Ghosh, B. N., Singh, R.D. and Gupta, H.S. (2001). Yield response patterns of soybean and wheat to K application and changes in K status in soil profile after 27 years of cropping in mid-hills of northwestern Himalayas. In: Proceedings of International Symposium on Importance of Potassium in Nutrient Management for Sustainable Crop Production in India Vol.1 Potash Research Institute of India, Gurgaon Pp. 362-365.
  10. Sharma, H. N. S. and Patel, M. M. (1996). Constraints of soyabean production in Madhya Pradesh An analysis. Bhartiya Krishi Anusandhan Patrika. 11 (2) 79-84
  11. Sinclair, J. B. (1982). Compendium of Soyabean Diseseses. 2nd ed. American phytopathlogical Society, St, Paul, MN, 104 Pp.
  12. Tiwari, S.P., Joshi, O.P. and Billore, S.D. (2001). Realisable yield potential of soybean varieties at farm level in India. In: Souvenir Harnessing the soy Potential for Health and Wealth, India Soy Forum 2001. SOPA, India. Pp 108-112.

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