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Effect of Biochar, Farmyard Manure and Poultry Manure on Zn Adsorption in Calcareous Alkaline Soil

Effect of Biochar, Farmyard Manure and Poultry Manure on Zn Adsorption in Calcareous Alkaline Soil

Abida Saleem, Sajida Parveen and Muhammad Jamal Khan

Department of Soil and Environmental Sciences, The University of Agriculture, Peshawar, Khyber Pakhtunkhwa, Pakistan.

[email protected]

Figure 1

Adsorption isotherms showing relationship of applied Zn solution concentrations (IZnA) with incremental Zn adsorption as influenced by amendment application 

Figure 2

Adsorption isotherms showing relationship of Equilibrium Zn solution concentrations (EZnC) with incremental Zn adsorption as influenced by amendment application 

Figure 3

Relationship of EZnC Vs EZnC/(x/m) (Langmuir Adsorption Isotherm) as influenced by amendment application in strongly calcareous soil 

Figure 4

Two surface modified Langmuir Adsorption Isotherm as influenced by organic amendment application in calcareous soil

Figure 5

Freundlich Adsorption Isotherm Model in case of Zn alone in calcareous alkaline soil conditions 

Equation 1
Equation 2
Equation 3
Equation 4
Equation 5

Sarhad Journal of Agriculture

September

Vol.40, Iss. 3, Pages 680-1101

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