EVALUATION OF THE TILLAGE SYSTEMS ON THE SOIL MOISTURE CONTENT DISTRIBUTION UNDER DRIP IRRIGATION

Document Type : Original Article

Authors

1 Prof., Ag. Eng. Dept., Fac. of Ag., AL-Mansoura U., Egypt.

2 Head of Res., Ag. Eng. Res. Inst., Ministry of Ag., Egypt.

3 Researcher, Ag. Eng. Dept., Fac. of Ag., AL-Mansoura U., Egypt.

Abstract

Egypt's farmers would face a constant lack of water, so the main objective of this study is to choose the best tillage system to result in the soil retaining the suitable amount of water using a drip irrigation system with reducing irrigation to save water and ensure that plants receive water and produce superior crops. Two tillage treatments were used, with a chisel plow in the horizontal direction and a rotary plow in the perpendicular it (Ch+R), and plowed with the chisel system in both horizontal and vertical directions with a chisel plow using the wooden blade (2Ch+W). Two irrigation systems were traditional surface irrigation (basin) and surface drip irrigation; four treatments were 100%, 80%, and 60% traditional. The 2Ch+W treatment recorded a higher yield than the Ch+R treatment. The main results were obtained with a 100% applied irrigated rate, and the lowest values were recorded with a 60% irrigation usage rate. When comparing the drip irrigation system with 100% treatment to the basin system, the crop production of snake cucumber was decreased by 17.6% and 18.27% for the 2Ch+W and Ch+R treatments, respectively, for surface irrigation. Effect of tillage and irrigation treatments on Water use efficiency (WUE) in all treatments of irrigation (100%, 80%, and 60%) compared with basin treatment recorded 74.12%, 85.16%, and 94.75%, respectively for 2Ch+W treatment but 66.58%, 75.64%, and 79.58% respectively for Ch+R treatment.

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