STUDY OF PHOSPHORUS ADSORPTION CHARACTERISTICS OF SOILS UNDER SHOEIBIEH SUGERCANE FARMS IN KHUZESTAN

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CHOROM M.; AHMADPOR D.A.

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Journal: AGRICULTURAL RESEARCH Year:2007 | Volume:7 | Issue:3 Page(s): 103-114

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Title

STUDY OF PHOSPHORUS ADSORPTION CHARACTERISTICS OF SOILS UNDER SHOEIBIEH SUGERCANE FARMS IN KHUZESTAN

Author(s)

CHOROM M. | AHMADPOR D.A. | Issue Writer Certificate

Keywords

ADSORPTIONQ3

DESORPTIONQ3

PHOSPHORUSQ2

LANGMUIRQ3

FREUNDLICHQ3

VANHUYQ3

Abstract

Study on the status of PHOSPHORUS (P) in soils under sugarcane cultivation to achieve highly yield is necessary. Adsorotion of p in soil is one of the subjects which is influenced in availability of PHOSPHORUS by plants. This mechanism is affected by soil properties. In this study, 12 different soil samples from 0 to 30 cm depth were collected from sugarcane Shoeibieh Agro industry lands in Khuzestan regions. The soil samples were air-dried and passed through a 2 mm sieve. 2-g soil samples were equilibrated for 24 hours in 25oC with 40 ml 0.01 CaCl2 solution containing 0 to 70 mg P/L. The amount of adsorbed PHOSPHORUS by soil samples was given by difference between the initial and final content in equilibrated solution. The ADSORPTION data were fitted to LANGMUIR, FREUNDLICH and VANHUY ADSORPTION isotherms and coefficients were calculated. The ADSORPTION data presented a highly significant fit to FREUNDLICH, VANHUY and LANGMUIR ADSORPTION isotherms.ADSORPTION maximum for P calculated from LANGMUIR isotherms were positively correlated with clay and CEC (Cation Exchange Capacity), and negatively correlated with P-Olsen. The P-treated soil samples were then extracted with 0.01 M CaCl2 solution to study to relationship between P ADSORPTION and DESORPTION’s characteristics of soils. Linear relationship was observed between P ADSORPTION and DESORPTION’s, the slope of regression lines being different for different soils.However, the results showed that clay percentage and CEC were the most important soil properties for estimation P requirement of the soil in Shoehibieh lands.

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APA: Copy

CHOROM, M., & AHMADPOR, D.A.. (2007). STUDY OF PHOSPHORUS ADSORPTION CHARACTERISTICS OF SOILS UNDER SHOEIBIEH SUGERCANE FARMS IN KHUZESTAN. AGRICULTURAL RESEARCH, 7(3), 103-114. SID. https://sid.ir/paper/84726/en

Vancouver: Copy

CHOROM M., AHMADPOR D.A.. STUDY OF PHOSPHORUS ADSORPTION CHARACTERISTICS OF SOILS UNDER SHOEIBIEH SUGERCANE FARMS IN KHUZESTAN. AGRICULTURAL RESEARCH[Internet]. 2007;7(3):103-114. Available from: https://sid.ir/paper/84726/en

IEEE: Copy

M. CHOROM, and D.A. AHMADPOR, “STUDY OF PHOSPHORUS ADSORPTION CHARACTERISTICS OF SOILS UNDER SHOEIBIEH SUGERCANE FARMS IN KHUZESTAN,” AGRICULTURAL RESEARCH, vol. 7, no. 3, pp. 103–114, 2007, [Online]. Available: https://sid.ir/paper/84726/en

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