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Changes in soil fertility status of maize-wheat system due to long-term use of chemical fertilizers and amendments in an alfisol

Author

Listed:
  • G. Verma

    (Regional Research Station, Gurdaspur, Punjab, India)

  • R.P. Sharma

    (Department of Soil Science, Chaudhary Sarwan Kumar Himachal Pradesh Agricultural University, Palampur, India)

  • S.P. Sharma

    (Directorate of Research, Chaudhary Sarwan Kumar Himachal Pradesh Agricultural University, Palampur, India)

  • S.K. Subehia

    (Department of Soil Science, Chaudhary Sarwan Kumar Himachal Pradesh Agricultural University, Palampur, India)

  • S. Shambhavi

    (Department of Soil Science, Chaudhary Sarwan Kumar Himachal Pradesh Agricultural University, Palampur, India)

Abstract

The present study was undertaken to quantify changes in the status of soil nutrients, their depletion and build-up after continuous long intensive cropping for last 36 years in a permanent manorial trial which has been in progress since 1972 in an alfisol of western Himalayas. The rotation was maize-wheat which included various combinations of N, P, K, Zn and FYM (farmyard manure). Continuous cultivation influenced pH, OC (organic carbon), available N (nitrogen), P (phosphorus) and K (potassium). An increase in the status of organic carbon was observed in 100% NPK + FYM treatments for more than three decades from initial value of 7.9 to 12.0 g/kg. The use of either FYM or lime alongwith 100% NPK sustained crop productivity or improved nutrient status. However, imbalanced use of nutrients i.e. NP or N alone is adversely affecting the fertility of soil by aggravating the problem of soil acidity. Application of S free P fertilizer DAP (diammonium phosphate) drastically reduced the yield of both the crops. Thus, continuous use of balanced fertilizers is necessary for sustaining soil fertility and productivity of crops.

Suggested Citation

  • G. Verma & R.P. Sharma & S.P. Sharma & S.K. Subehia & S. Shambhavi, 2012. "Changes in soil fertility status of maize-wheat system due to long-term use of chemical fertilizers and amendments in an alfisol," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 58(12), pages 529-533.
    • Handle: RePEc:caa:jnlpse:v:58:y:2012:i:12:id:133-2012-pse
    DOI: 10.17221/133/2012-PSE
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    Citations

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    Cited by:

    1. M. Shaaban & M. Abid & R.A.I. Abou-Shanab, 2013. "Amelioration of salt affected soils in rice paddy system by application of organic and inorganic amendments," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 59(5), pages 227-233.
    2. I. Suwara & K. Pawlak-Zaręba & D. Gozdowski & A. Perzanowska, 2016. "Physical properties of soil after 54 years of long-term fertilization and crop rotation," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 62(9), pages 389-394.

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