Effect of Potassium Humate and Potassium Silicate on Growth and Productivity of Wheat Plants Grown under Saline Conditions.

Document Type : Original Article

Authors

1 Bot. and Micro. Dept., Fac. of Sci. (Girls Branch) Al-Azhar Univ.

2 Soils, Water and Environment Res. Instit. A. R. C.

Abstract

A lysimeter experiment was carried out at Sakha Agricultural Research Station, Kafr El-Sheikh governorate, during the growth season of 2013-2014 to investigate the effect of potassium humate, potassium silicate and/or their interaction on improving growth parameters and yield components of wheat plants grown under salinity stress. Irrigation of wheat plants with diluted sea water i.e. EC 6, 9 and 12 dS/m reduced growth parameters and yield components, these reductions were gradually increased with increasing the concentrations of diluted sea water. Addition of potassium humate at (4 & 8 kg/fed.) to soil and foliar application of potassium silicate at (500 & 1000 ppm) alone or together increased growth parameters and yield components of wheat plants grown under salinity stress, the duality treatments of potassium humate and potassium silicate were the most effective treatments especially at low concentration in amelioration the depressive effect of salinity on growth and yield of wheat plants.

Keywords

Journal of Soil Sciences and Agricultural Engineering
Volume 8, Issue 11
November 2017
Pages 577-582

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