INFLUENCE OF TILLAGE SYSTEMS AND WHEAT STUBBLE LEVELS ON THE PHYSICAL, CHEMICAL AND BIOLOGICAL PROPERTIES OF SOIL

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Ebrahimian Elnaz; Koochaki Alireza; NASIRI MAHALATI MEHDI; KHORRAMDEL SOROOR; BEHESHTI ALIREZA

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Journal: JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE) Year:2017 | Volume:18 | Issue:4 Page(s): 893-905

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Title

INFLUENCE OF TILLAGE SYSTEMS AND WHEAT STUBBLE LEVELS ON THE PHYSICAL, CHEMICAL AND BIOLOGICAL PROPERTIES OF SOIL

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Keywords

CHISEL PLOUGHQ2

MICROBIAL BIOMASSQ1

MOULDBOARD PLOUGHQ2

ORGANIC CARBONQ2

SOIL RESPIRATIONQ3

Abstract

In order to study the effects of tillage systems and wheat residue levels on soil physical, chemical and biological characteristics a randomized complete block design arranged in split block with three replications was set in research farm of Ferdowsi University of Mashhad in 2013-2014 growing season. Four different tillage systems (disk, MOULDBOARD PLOUGH + disk, sweep plough + disk and CHISEL PLOUGH + disk) as vertical factor were employed in combination with five different crop residue applications (0, 25, 50, 75 and 100 percent wheat residue) as horizontal factor. Due to soil sampling in April (2013), November (2013) and June (2014), data were analysed as split block in time. According to the results, the lowest total nitrogen (0.094%), available phosphorus (12.50 mg/kg) and ORGANIC CARBON (0.52%) were observed when MOULDBOARD PLOUGH was applied, while the highest values were obtained using CHISEL PLOUGH followed by disk. Irrespective of sampling time, total nitrogen, available phosphorus and potassium as well as ORGANIC CARBON significantly increased with increasing wheat residue application. Furthermore, crop residue application caused significant reduction in soil pH (up to 0.45 unit) and improved MICROBIAL BIOMASS and activity (by 20.6%).

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APA: Copy

Ebrahimian, Elnaz, Koochaki, Alireza, NASIRI MAHALATI, MEHDI, KHORRAMDEL, SOROOR, & BEHESHTI, ALIREZA. (2017). INFLUENCE OF TILLAGE SYSTEMS AND WHEAT STUBBLE LEVELS ON THE PHYSICAL, CHEMICAL AND BIOLOGICAL PROPERTIES OF SOIL. JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE), 18(4 ), 893-905. SID. https://sid.ir/paper/209613/en

Vancouver: Copy

Ebrahimian Elnaz, Koochaki Alireza, NASIRI MAHALATI MEHDI, KHORRAMDEL SOROOR, BEHESHTI ALIREZA. INFLUENCE OF TILLAGE SYSTEMS AND WHEAT STUBBLE LEVELS ON THE PHYSICAL, CHEMICAL AND BIOLOGICAL PROPERTIES OF SOIL. JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE)[Internet]. 2017;18(4 ):893-905. Available from: https://sid.ir/paper/209613/en

IEEE: Copy

Elnaz Ebrahimian, Alireza Koochaki, MEHDI NASIRI MAHALATI, SOROOR KHORRAMDEL, and ALIREZA BEHESHTI, “INFLUENCE OF TILLAGE SYSTEMS AND WHEAT STUBBLE LEVELS ON THE PHYSICAL, CHEMICAL AND BIOLOGICAL PROPERTIES OF SOIL,” JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE), vol. 18, no. 4 , pp. 893–905, 2017, [Online]. Available: https://sid.ir/paper/209613/en

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