Effects of Different Levels of Irrigation, Planting Density, Planting Pattern on Yield, Yield Components and Water Use Efficiency in Drip Irrigated Corn

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AFRASIYAB PEYMAN; DELBARI MASOOMEH; JAFARI HOSSEIN

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Journal: Iranian Journal of Soil and Water Research Year:2017 | Volume:47 | Issue:4 Page(s): 731-741

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Title

Effects of Different Levels of Irrigation, Planting Density, Planting Pattern on Yield, Yield Components and Water Use Efficiency in Drip Irrigated Corn

Author(s)

AFRASIYAB PEYMAN | DELBARI MASOOMEH | JAFARI HOSSEIN | Issue Writer Certificate

Keywords

Tape drip irrigationQ2

EvapotranspirationQ2

Water depthQ1

Evaporation panQ1

Abstract

Shortage of water resources in the country together with high water losses in the conventional surface irrigation, has increased the attention of the experts to methods of pressurized irrigation systems, especially drip irrigation equipped with tape pipes (because of the low operating pressure and low cost of pipes) as well as optimal use of water resources for cultivation of such highly consumed crops as corn. On this basis, the present study was performed to determine the effects of different levels of irrigation water, plant density and planting pattern on yield, yield components and Water Use Efficiency (WUE) in corn, variety single cross 700 (700KSC), using drip irrigation (tape), at the Research Station of Islamabadgharb within two consecutive years (2011-2012). The project was carried out in the form of a split block factorial design in which the vertical bar was irrigation factor consisting of four irrigation level of 50, 75, 100 and 125 percent Evapotranspiration. The horizontal bars represented planting patterns including two planting patterns of one vs. two-rows. Plant density consisted of three densities of 65, 75, and 85 thousand plants per hectare, implemented as a factorial of three replications. The results showed that the level of irrigation and plant density (at 1% level) and their interactions at a level of 5%, created significant difference as regards water use efficiency. Fifty percent treatment of the water requirement of corn with 0. 8 kilograms per cubic meter and 100% treatment of the water requirement, with 1. 25 kilograms of corn per cubic meter, respectively, presented the lowest vs. the highest water use efficiencies. Different levels of irrigation water created difference at 1% level) in yield, so that 125% treatment of Evapotranspiration, with 11320 kg per hectare had yielded the highest, and 50% treatment of Evapotranspiration, with 3442 kg per hectare, presented the lowest yield). Yield was also influenced by the density and planting pattern with significant differences at 1% level. A density of 65 thousand plants and planting pattern on one-row with 6596 and 7894 kg per hectare resulted in the lowest yields. The density of 75 thousands plants per hectare and planting pattern of two-rows respectively with 8809 vs. 8195 kg per hectare rendered the highest yield. The interaction between irrigation levels and plant density created difference (at 1% level) in yield. But as regards the interaction between irrigation levels and planting pattern as well as irrigation levels, density and planting pattern, the effect of year and replication did not create significant differences on any of the experimented factors.

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APA: Copy

AFRASIYAB, PEYMAN, DELBARI, MASOOMEH, & JAFARI, HOSSEIN. (2017). Effects of Different Levels of Irrigation, Planting Density, Planting Pattern on Yield, Yield Components and Water Use Efficiency in Drip Irrigated Corn. IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, 47(4 ), 731-741. SID. https://sid.ir/paper/225887/en

Vancouver: Copy

AFRASIYAB PEYMAN, DELBARI MASOOMEH, JAFARI HOSSEIN. Effects of Different Levels of Irrigation, Planting Density, Planting Pattern on Yield, Yield Components and Water Use Efficiency in Drip Irrigated Corn. IRANIAN JOURNAL OF SOIL AND WATER RESEARCH[Internet]. 2017;47(4 ):731-741. Available from: https://sid.ir/paper/225887/en

IEEE: Copy

PEYMAN AFRASIYAB, MASOOMEH DELBARI, and HOSSEIN JAFARI, “Effects of Different Levels of Irrigation, Planting Density, Planting Pattern on Yield, Yield Components and Water Use Efficiency in Drip Irrigated Corn,” IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, vol. 47, no. 4 , pp. 731–741, 2017, [Online]. Available: https://sid.ir/paper/225887/en

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