Improvement of Irrigation Efficiency in Rice Field Using Composted Azolla under Water Deficit Condition

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Doaei Sahar; SIAVASH MOGHADDAM SINA; Razavipour kumale Teimour; NOORHOSSEINI SEYYED ALI

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Journal: APPLIED SOIL RESEARCH Year:2019 | Volume:6 | Issue:4 Page(s): 149-160

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Information Journal Paper

Title

Improvement of Irrigation Efficiency in Rice Field Using Composted Azolla under Water Deficit Condition

Author(s)

Doaei Sahar | SIAVASH MOGHADDAM SINA | Razavipour kumale Teimour | NOORHOSSEINI SEYYED ALI | Issue Writer Certificate

Keywords

AzollaQ3

CompostQ1

Deficit IrrigationQ1

RiceQ1

Abstract

A pot experiment was carried out to determine the effect of Composted Azolla under water deficit condition on growth and yield of Rice in Rice Research Institute of Iran (RRII) in 2011. The experiment was conducted as factorial in a randomized complete block design (RCBD) with three replications and 8 irrigation regimes (A1 to A8) as the first factor as well as use of different amount of Composted Azolla as second factor in 4 levels (B1= control without Compost, B2 = 2. 5 %, B3 = 5% and B4 = 7. 5% of soil weight in pot). The results showed that the effect of different irrigation treatments were significant on some of the Rice agronomic traits such as panicle length, plant height, number of tillers and grain yield, adsorbed nitrogen and phosphorus content in straw and adsorbed potassium in grain, while other characteristics were not significantly affected. Composted Azolla had a significant effect on such Rice agronomic traits as panicle length, panicle weight and grain yield. Furthermore, the effect of Composted Azolla was significant on salinity, pH, organic matter, nitrogen, phosphorus, residual potassium in soil and adsorbed potassium in grain, however there was no significant difference in other characteristics. The results indicated that treatment A2B4 (irrigation as soil saturation during the growing season with 2. 5 % of Azolla Compost) is one of the best treatments. Use of this management, especially in water deficit condition can increase water use efficiency by 19 percent and soil fertility as well. Likewise, Composted Azolla application can enhance the soil organic matter and because it has some nutrients which are required for the plant, it can be an appropriate alternative in the long term for chemical fertilizers and as a result, move towards sustainable agriculture with environmental safety.

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APA: Copy

Doaei, Sahar, SIAVASH MOGHADDAM, SINA, Razavipour kumale, Teimour, & NOORHOSSEINI, SEYYED ALI. (2019). Improvement of Irrigation Efficiency in Rice Field Using Composted Azolla under Water Deficit Condition. APPLIED SOIL RESEARCH, 6(4 ), 149-160. SID. https://sid.ir/paper/261830/en

Vancouver: Copy

Doaei Sahar, SIAVASH MOGHADDAM SINA, Razavipour kumale Teimour, NOORHOSSEINI SEYYED ALI. Improvement of Irrigation Efficiency in Rice Field Using Composted Azolla under Water Deficit Condition. APPLIED SOIL RESEARCH[Internet]. 2019;6(4 ):149-160. Available from: https://sid.ir/paper/261830/en

IEEE: Copy

Sahar Doaei, SINA SIAVASH MOGHADDAM, Teimour Razavipour kumale, and SEYYED ALI NOORHOSSEINI, “Improvement of Irrigation Efficiency in Rice Field Using Composted Azolla under Water Deficit Condition,” APPLIED SOIL RESEARCH, vol. 6, no. 4 , pp. 149–160, 2019, [Online]. Available: https://sid.ir/paper/261830/en

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