COMPARATIVE EFFECTS OF RAISED BED AND TRADITIONAL FLAT BASIN ON WHEAT YIELD AND WATER PRODUCTIVITY UNDER EGYPTIAN CONDITIONS

Document Type : Original Article

Authors

1 Prof. of Irrigation and Drainage Eng. Systems, Ag. and Biosystems Eng. Dept., Fac. of Ag., Alexandria U., Egypt.

2 MSc Stud. Ag. and Biosystems Eng. Dept., Fac. of Ag., Alexandria U., Egypt.

3 Lecturer of Irrigation and Drainage Eng. Systems, Ag. and Biosystems Eng. Dept., Fac. of Ag., Alexandria U., Egypt.

4 Assoc. Prof. of Irrigation and Drainage Eng. Systems, Ag. and Biosystems Eng. Dept., Fac. of Ag., Alexandria U., Egypt.

Abstract

Field experiments were carried out at Sakha Agricultural Research Station in Egypt to compare the effect of the newly developed raised bed technique with different bed widths (RB130, RB100, RB80 cm) on wheat productivity to the conventional flat basin (FB) method during 2019/2020. The statistical analyses were carried out using a randomized complete block design. According to the results of statistical analysis, using RB130 cultivation gave the highest significant averages of water-saving (21.81%) and the highest averages of wheat 1000 kernels weight (50.05 g) over the FB method. However, no significant differences were found between RB130 and FB method, which produced the highest averages of grain yield, straw yield, and biological yield. Wheat sowing on FB gave the highest significant average of grain yield, straw yield, and biological yield than RB100, RB80 at 5% level of significance, but there were no significant differences in the number of kernels per spike, kernel weight spike, and harvest index ratio between wheat sowing on FB and RB130, RB100 or RB80. There were no significant differences in the number of kernels per spike, kernel weight spike, number of spikes per m2, straw yield, biological yield, and harvest index ratio at 5% level of significance between wheat sowing on RB130, RB100, RB80. But wheat sowing on RB130 produced the highest significant average of crop water productivity and grain yield than RB80 at 5%. Finally, according to the study findings, using raised beds cultivation resulted in saving irrigation water by 15~21% compared to a flat basin.

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References

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