EMPACT OF IRRIGATION SCHEDULING, SUBSURFACE DRIP FERTIGATION, AND FURROW INTENSIFICATION ON CROP YIELD (WHEAT AND PEAS) | ||
| Misr Journal of Agricultural Engineering | ||
| Articles in Press, Accepted Manuscript, Available Online from 31 October 2025 PDF (647.68 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/mjae.2025.428299.1166 | ||
| Author | ||
| A. M. Almoayyad* | ||
| Assoc. Prof. at of Ag. Dept., Fac. of Ag., Thamar U. Yemen. | ||
| Abstract | ||
| The experiment at the General Authority for Agricultural Research in Thamar Governorate – YEMEN during January–May 2024/2025 evaluated irrigation and fertilization effects on wheat and peas. Irrigation schedules of 4 days (ETc 100%) and 8 days (ETc 70%), along with fertilization levels at 1 ppm, 2 ppm, and 3 ppm, were tested. For wheat, the 8-day irrigation schedule yielded the highest output at 12.122 tons/hectare, compared to 9.536 tons/hectare for the 4-day schedule. Fertilization at 3 ppm produced the highest yield (11.461 tons/hectare), while 1 ppm resulted in the lowest (10.338 tons/hectare). The 4-day schedule generated more tillers per plant (8,744) but fewer grains (148,444 per three wheat ears). Conversely, the 8-day schedule yielded fewer tillers (7,606) but more grains (158,889 per three ears) and recorded longer spikes (10.9556 cm compared to 10.556 cm). Straw weight peaked under the 8-day schedule with an average of 28.032 tons/hectare, while the 4-day schedule yielded the lowest at 27.3 tons/hectare. For peas, the 4-day irrigation schedule resulted in the highest yield at 5.918 tons/hectare, while the 8-day schedule recorded the lowest at 3.393 tons/hectare. The best yield came from the 2 ppm treatment at 5.380 tons/hectare, whereas the lowest was under 3 ppm at 4.583 tons/hectare. Pod production was highest under the 4-day irrigation schedule with an average of 74,441 pods per three plants, compared to 54,889 pods under the 8-day schedule. The most productive fertilization level for pods was 2 ppm (75,000 pods), while the least was 1 ppm (56,833 pods). | ||
| Keywords | ||
| Irrigation scheduling; Subsurface drip irrigation; Fertigated; Cropping intensification of furrow (wheat and peas) | ||
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