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Wheat Growth in Response to Model Based Applied Fertilizer Boron

Wheat Growth in Response to Model Based Applied Fertilizer Boron

Muhammad Shafiq and Tahir Maqsood

Directorate of Land Reclamation, Lower Chenab Canal (West), Circle Irrigation Department, Faisalabad, Punjab, Pakistan.

shafiq1049@gmail.com

ABSTRACT

A field trial was done on a medium textured soil to notice the return of wheat crop to model based applied fertilizer B. For this idea, B adsorption isotherm of the soil was developed at the Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad, during 2013-14. Adsorption procedure was done by harmonizing 2.5g soil in 0.01M CaCl2 solution having diverse B doses (0, 0.01, 0.03 , 0.05 , 0.07, 0.09, 0.11, 0.13,0.15 and 0.17 mg B L-1). Freundlich and Langmuir adsorption models were applied to the data to check the sorption of B on sandy clay loam soil. Freundlich model depicted superior fitness of the sorption (r2=0.99) statistics than Langmuir model (r2=0.75). Ten B treatments (0, 0.47, 0.81, 1.42, 1.57, 1.95, 2.35, 2.66, 3.1, 3.3 kg ha-1) were applied with recommended N, P and K doses. Boron was applied at sowing time as basal dose. The results showed that there was a positive effect of fertilizer B on grains spike-1, 1000-grain weight and grain turn out however, the vegetative growth i.e. plant height, tillering and total biomass were affected non-significantly in response to B application. Regarding chemical analysis concentration of boron in both wheat straw and grains increased with B application but there was no effect of fertilizer B on NPK concentration of straw and grains. These results are very heartening; signifying that for any soil, B adsorption isotherm need to be worked out for location precise fertilizer B use.

 

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Sarhad Journal of Agriculture

September

Vol. 35, Iss. 3, Pages 663-1019

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