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Foliar Application of Phosphorous on Maize Seedling Growth and P Concentrations

Author

Listed:
  • Aftab Jamal
  • Dost Muhammad

    (Department of Agronomy, The University of Agriculture Peshawar, Pakistan)

  • Muhammad Fawad Khan

    (Department of Soil & Environmental Sciences, Khyber Pakhtunkhwa Agricultural University Peshawar, Pakistan)

Abstract

A pot experiment was carried out to evaluate the effect of foliar application of P on the growth as well as shoot P concentrations of 35 d old maize plants. The soil P in the form of KH2PO4 solution was applied to respective pots during sowing while the foliar P was applied 20 days after the germination of the crop. The maize shoot height, weight and P concentrations showed increasing trends with foliar application as compared to control. 4.14 And 3.89% increase in shoot heights over control were recorded by application of 1 and 2 % foliar applied P. The combined application of half P as soil (22.5 mg P2O5 kg-1) plus foliar spray (1 % solution) produced the highest fresh weight of 127.47 g pot-1 which was up by 11.03 % over control, suggesting that the foliar application of P could reduce the soil applied P dose. The post-harvest soil AB-DTPA extractable P was also significantly higher in soil + foliar treatments with the value of 16.45 mg p kg-1 which was double of control. Such type of studies should be conducted on variety of crops under various soils for confirmation and widespread foliar P application.

Suggested Citation

  • Aftab Jamal & Dost Muhammad & Muhammad Fawad Khan, 2018. "Foliar Application of Phosphorous on Maize Seedling Growth and P Concentrations," International Journal of Environmental Sciences & Natural Resources, Juniper Publishers Inc., vol. 11(4), pages 126-130, May.
    • Handle: RePEc:adp:ijesnr:v:11:y:2018:i:4:p:126-130
    DOI: 10.19080/IJESNR.2018.11.555820
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    Keywords

    earth and environment journals; environment journals; open access environment journals; peer reviewed environmental journals; open access; juniper publishers; ournal of Environmental Sciences; juniper publishers journals ; juniper publishers reivew;
    All these keywords.

    JEL classification:

    • R00 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General - - - General
    • Z0 - Other Special Topics - - General

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