SHORT-TERM EFFECTS OF BIOCHAR PRODUCED FROM DATE PALM’S LEAVES ON MOISTURE RETENTION IN SANDY LOAM SOIL

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NOUROUZI MEHRDAD; TABATABAEI SEYYED HASSAN; NOURI MOHAMMAD REZA; MOTAGHIAN HAMID REZA

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Journal: JOURNAL OF WATER AND SOIL RESOURCES CONSERVATION Year:2017 | Volume:6 | Issue:2 Page(s): 137-150

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Title

SHORT-TERM EFFECTS OF BIOCHAR PRODUCED FROM DATE PALM’S LEAVES ON MOISTURE RETENTION IN SANDY LOAM SOIL

Author(s)

NOUROUZI MEHRDAD | TABATABAEI SEYYED HASSAN | NOURI MOHAMMAD REZA | MOTAGHIAN HAMID REZA | Issue Writer Certificate

Keywords

BIOCHARQ1

PLANT AVAILABLE WATERQ1

SOIL STRUCTUREQ1

WATER HOLDING CAPACITYQ1

Abstract

BIOCHAR is a durable organic compound obtained by thermal decomposition of biomass under oxygen-limited conditions (called pyrolysis). It is used for improving chemical and physical properties of soil in agriculture. The main objective of this paper was to evaluate the effects of BIOCHAR, produced from date palm’s leaves, on the physical properties and hydrological behavior of a sandy loam soil by carrying out a pot experiment. Pyrolyzed at different temperatures (300, 350, 400, 450 and 500 degree of centigrade) in an electric furnace five BIOCHARs were obtained. BIOCHARs were in powdered form and evenly added to soil (air-dried and passed through a 2 mm sieve) at the rate of 3% (w/w) and incubated for 2 months. Water retention curves (WRCs) based on Van Genuchten model determined. By measuring gravimetric water content at field capacity (FC) and permanent wilting point (PWP), PLANT AVAILABLE WATER content (PAWC) calculated. Also, WATER HOLDING CAPACITY (WHC) and saturation percentage (qs) determined. The results showed that by increasing pyrolysis temperature from 300 to 500 degree of centigrade, physical properties and hydrological behavior of the soil had not significant changes. Generally, soil bulk density (BD) significantly (P<0.01) decreased compared to control, which could be attributed to low density of BIOCHAR particles and its contribution on rearrangement of soil pores and creation of new accommodation pores. WHC, PAWC, qs and FC increased 24.4%, 20.1%, 23.4% and 24% respectively compared to control, but PWP had not significant changes. Data of WRCs indicated a significant (P<0.01) increase in pores greater than 0.2 mm, which are important in storing PLANT AVAILABLE WATER.

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APA: Copy

NOUROUZI, MEHRDAD, TABATABAEI, SEYYED HASSAN, NOURI, MOHAMMAD REZA, & MOTAGHIAN, HAMID REZA. (2017). SHORT-TERM EFFECTS OF BIOCHAR PRODUCED FROM DATE PALM’S LEAVES ON MOISTURE RETENTION IN SANDY LOAM SOIL. JOURNAL OF WATER AND SOIL RESOURCES CONSERVATION, 6(2), 137-150. SID. https://sid.ir/paper/232096/en

Vancouver: Copy

NOUROUZI MEHRDAD, TABATABAEI SEYYED HASSAN, NOURI MOHAMMAD REZA, MOTAGHIAN HAMID REZA. SHORT-TERM EFFECTS OF BIOCHAR PRODUCED FROM DATE PALM’S LEAVES ON MOISTURE RETENTION IN SANDY LOAM SOIL. JOURNAL OF WATER AND SOIL RESOURCES CONSERVATION[Internet]. 2017;6(2):137-150. Available from: https://sid.ir/paper/232096/en

IEEE: Copy

MEHRDAD NOUROUZI, SEYYED HASSAN TABATABAEI, MOHAMMAD REZA NOURI, and HAMID REZA MOTAGHIAN, “SHORT-TERM EFFECTS OF BIOCHAR PRODUCED FROM DATE PALM’S LEAVES ON MOISTURE RETENTION IN SANDY LOAM SOIL,” JOURNAL OF WATER AND SOIL RESOURCES CONSERVATION, vol. 6, no. 2, pp. 137–150, 2017, [Online]. Available: https://sid.ir/paper/232096/en

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