WHEAT PLANT GROWTH AND YIELD WITH DIFFERENT PLANTING SYSTEMS AND IRRIGATION FREQUENCY 1- SOIL WATER CONTENT, BULK DENSITY, SALINITY AND ROOT GROWTH

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POL SHEKAN PAHLEVAN M.R.; MOVAHEDI NAEINI S.A.R.; ETESAM GH.R.; KOUHKAN SH.A.

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Journal: Journal of Agricultural Sciences and Natural Resources Year:2008 | Volume:14 | Issue:5 Page(s): 51-63

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Title

WHEAT PLANT GROWTH AND YIELD WITH DIFFERENT PLANTING SYSTEMS AND IRRIGATION FREQUENCY 1- SOIL WATER CONTENT, BULK DENSITY, SALINITY AND ROOT GROWTH

Author(s)

POL SHEKAN PAHLEVAN M.R. | MOVAHEDI NAEINI S.A.R. | ETESAM GH.R. | KOUHKAN SH.A. | Issue Writer Certificate

Keywords

BED SHAPINGQ3

TDRQ3

BULK DENSITYQ3

ROOT DENSITYQ3

WHEATQ3

Abstract

The effects of irrigation quantity and seed BED SHAPING on soil water and salinity variation, BULK DENSITY, root growth and dry matter was investigated with a split plot statistical design with a field trial in Zahak Agricultural Research Station in Sistan province in 2005. Irrigation intervals after 80 and 160 mm evaporation from class A evaporation pan were used as main plot. Flat surface, single, triple and six row beds with a 20 cm row space were used as subplots. There were 4 replications per treatment.Volumetric soil water content and bulk soil electrical conductivity were measured using TDR for 0-20, 20-40 and 40-60 cm depths in all replications at 9 occasions during growing season. Soil water contents were also measured at 0-10 and 10-20cmdepths using standard sampling rings at 4 occasions.Three and six row beds increased the electrical conductivity for saturated paste extract with the more frequent irrigation interval in this coarse textured soil. Soil water content, dry matter and ROOT DENSITY were always greater with the more frequent irrigation interval. ROOT DENSITY was greatest in 0-20 cm depth with the single row bed treatment. Grain yield and ROOT DENSITY were greatest with single row bed treatment due to BED SHAPING at the WHEAT root development stage (possibly due to a reduced mechanical resistance). A greater soil water content by the short irrigation interval method, increased grain yield and ROOT DENSITY through reducing mechanical resistance. With loam sand, BULK DENSITY and mechanical resistance is increased rapidly after cultivation. BED SHAPING at root development stage might enhance root growth and yield production. Apparently mechanical resistance was the most limiting factor with these loam sand soils rather than salinity.

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APA: Copy

POL SHEKAN PAHLEVAN, M.R., MOVAHEDI NAEINI, S.A.R., ETESAM, GH.R., & KOUHKAN, SH.A.. (2008). WHEAT PLANT GROWTH AND YIELD WITH DIFFERENT PLANTING SYSTEMS AND IRRIGATION FREQUENCY 1- SOIL WATER CONTENT, BULK DENSITY, SALINITY AND ROOT GROWTH. JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, 14(5), 51-63. SID. https://sid.ir/paper/8879/en

Vancouver: Copy

POL SHEKAN PAHLEVAN M.R., MOVAHEDI NAEINI S.A.R., ETESAM GH.R., KOUHKAN SH.A.. WHEAT PLANT GROWTH AND YIELD WITH DIFFERENT PLANTING SYSTEMS AND IRRIGATION FREQUENCY 1- SOIL WATER CONTENT, BULK DENSITY, SALINITY AND ROOT GROWTH. JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES[Internet]. 2008;14(5):51-63. Available from: https://sid.ir/paper/8879/en

IEEE: Copy

M.R. POL SHEKAN PAHLEVAN, S.A.R. MOVAHEDI NAEINI, GH.R. ETESAM, and SH.A. KOUHKAN, “WHEAT PLANT GROWTH AND YIELD WITH DIFFERENT PLANTING SYSTEMS AND IRRIGATION FREQUENCY 1- SOIL WATER CONTENT, BULK DENSITY, SALINITY AND ROOT GROWTH,” JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, vol. 14, no. 5, pp. 51–63, 2008, [Online]. Available: https://sid.ir/paper/8879/en

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