Comparative Effects of Organic and Inorganic Fertilizers on Soil Organic Carbon and Wheat Productivity under Arid Region

Hafiz Mohkum Hammad, Abdul Khaliq, Farhat Abbas, Wajid Farhad, Shah Fahad, Muhammad Aslam, Ghulam Mustafa Shah, Wajid Nasim, Muhammad Mubeen, Hafiz Faiq Bakhat

Research output: Contribution to journalArticlepeer-review

69 Citations (Scopus)

Abstract

Organic amendments in the soil perform better than synthetic fertilizers in regards to soil fertility and sustainable crop productivity. Experiments were conducted to compare the effects of organic and synthetic fertilizers on soil fertility and wheat (Triticum aestivum L.) productivity. Soil fertility and protein contents of wheat grains (13.2% and 13.3% during 2005–06 and 2006–07, respectively) were improved by organic amendments. However, synthetic fertilizer (at the rate of 150, 100, and 60 kg ha−1 N, P2O5, and K2O, respectively) applications resulted in the maximum grain yield (4.05 and 4.46 t ha−1 during 2005–06 and 2006–07, respectively). The observed and simulated soil organic carbon (SOC) reasonably agreed during RothC model validation (R 2 = 0.99). Economic analysis showed the maximum net profit and relative increase in income ($729 US ha−1 and 309%, respectively) from inorganic treatment. Application of synthetic fertilizers increased grain yield and farm profit while organic manure enhanced grain quality. The RothC model had potential for determining the SOC in organic farming under arid environment.

Original languageEnglish
Pages (from-to)1406-1422
Number of pages17
JournalCommunications in Soil Science and Plant Analysis
Volume51
Issue number10
DOIs
Publication statusPublished - 30 May 2020
Externally publishedYes

Keywords

  • Economic analysis
  • plant nutrition
  • rothamsted carbon turnover model
  • soil fertility
  • soil organic carbon

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