EFFECT OF MIDSEASON SURFACE DRAINAGE ON THE CRACKS CHARACTERISTICS OF SURFACE SOIL IN PADDY FIELDS

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DEHGHANI N.; PIRMORADIAN N.; KARIMI V.; NAVABIAN M.

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Journal: Journal of Water and Soil Conservation Year:2016 | Volume:22 | Issue:6 Page(s): 259-270

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Title

EFFECT OF MIDSEASON SURFACE DRAINAGE ON THE CRACKS CHARACTERISTICS OF SURFACE SOIL IN PADDY FIELDS

Author(s)

DEHGHANI N. | PIRMORADIAN N. | KARIMI V. | NAVABIAN M. | Issue Writer Certificate

Keywords

PADDY SOILSQ2

CRACKQ2

MID-SEASON DRAINAGEQ1

SURFACE DRAINAGEQ2

Abstract

Background and Objectives: To increase productivity of paddy fields, a suitable management of midseason drainage can be considered. Due to the effect of soil moisture and dry duration on the characteristics of soil CRACKs, this study was conducted to investigate the effect of surface midseason drainage duration in paddy fields of Tarom-Hashemi rice cultivar on surface CRACKs of soil.Materials and Methods: A field experiment was done with the six SURFACE DRAINAGE duration treatments of 0, 5, 7, 9, 11, 13 days and three replications at Haraz Extension and Technology Development Center. The planted area was 360 m2. The values of daily soil moisture were measured during midseason drainage for different treatments. Also, there were identified 12 points of each plot on a 1´1 network and the soil CRACKs characteristics (length, width and depth) were measured in these points. After harvesting, the soil bearing capacity in experimental plots were measured using a cone penetrometer in five depth (5, 10, 15, 20 and 25 cm).Results: Base on the results, the effects of surface midseason drainage duration on length, width and depth of the soil CRACKs were significant. Maximum width and length of the soil CRACKs were 7 mm and 10 cm, respectively, which were gained by 13-day drainage duration treatment.Application of the 11 and 13 days drainage duration treatments significantly increased the depth of soil CRACKs. Also, for the values less than FC, a little decrease in soil moisture resulted in a considerable increase in soil CRACKs length and width. For different depth of soil from 0 to 25 cm, the mean difference between the highest (13-day drainage duration treatment) and lowest (control) measured soil bearing capacity was gained 228.8 kPa.Conclusion: With considering the maximum soil CRACK depth be less than hardpan depth, applying 17-day midseason drainage duration in study area is recommended. Increasing soil bearing capacity at the harvesting time will make the land ready to apply agricultural machines that minimizes energy consumption and working hours. Therefore, the conditions will be more suitable for the cultivation of secondary products.

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APA: Copy

DEHGHANI, N., PIRMORADIAN, N., KARIMI, V., & NAVABIAN, M.. (2016). EFFECT OF MIDSEASON SURFACE DRAINAGE ON THE CRACKS CHARACTERISTICS OF SURFACE SOIL IN PADDY FIELDS. JOURNAL OF WATER AND SOIL CONSERVATION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES), 22(6), 259-270. SID. https://sid.ir/paper/156355/en

Vancouver: Copy

DEHGHANI N., PIRMORADIAN N., KARIMI V., NAVABIAN M.. EFFECT OF MIDSEASON SURFACE DRAINAGE ON THE CRACKS CHARACTERISTICS OF SURFACE SOIL IN PADDY FIELDS. JOURNAL OF WATER AND SOIL CONSERVATION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES)[Internet]. 2016;22(6):259-270. Available from: https://sid.ir/paper/156355/en

IEEE: Copy

N. DEHGHANI, N. PIRMORADIAN, V. KARIMI, and M. NAVABIAN, “EFFECT OF MIDSEASON SURFACE DRAINAGE ON THE CRACKS CHARACTERISTICS OF SURFACE SOIL IN PADDY FIELDS,” JOURNAL OF WATER AND SOIL CONSERVATION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES), vol. 22, no. 6, pp. 259–270, 2016, [Online]. Available: https://sid.ir/paper/156355/en

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