Foliar Application of Phosphorous on Maize Seedling Growth and P Concentrations

Aftab Jamal, Dost Muhammad and Muhammad Fawad Khan
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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

International Journal of Environmental Sciences & Natural Resources, 2018, vol. 11, issue 4, 126-130

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.

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 (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:adp:ijesnr:v:11:y:2018:i:4:p:126-130

DOI: 10.19080/IJESNR.2018.11.555820

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