Productivity Of Bread Wheat Under Different Irrigation Levels And Splitting Nitrogen Fertilization In Newly Reclaimed Soils | ||
| Journal of Plant Production | ||
| Article 11, Volume 7, Issue 9, September 2016, Pages 1007-1012 PDF (479.86 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/jpp.2016.46867 | ||
| Author | ||
| M. T. Said* | ||
| Agronomy Department, Faculty of Agriculture, Assiut University, Assiut, Egypt | ||
| Abstract | ||
| In order to study the effect of irrigation water rates and splitting nitrogen on productivity of wheat. Three field experiments were conducted at El-Wady Al-Assiuty experimental farm in new reclaimed soil during 2013/2014 and 2014/2015 seasons using cultivar Sids 12 using sprinkler irrigation system. Each experiment subjected to one level of irrigation water requirements (100%, 75% and 50%) and each experiment contains four treatments of splitting nitrogen fertilization. Results indicated that, irrigation levels had a high significant effect on yield and its components. As when 50% of the recommended irrigation requirements was applied, the reduction of grain yield reached 44.3 and 28.9% in the first and second seasons, respectively. Moreover, splitting nitrogen fertilization affected all studied traits. As splitting nitrogen fertilization to five splits recorded the highest mean value of grain and biological yields as compared with control (3 splits) in both seasons. The interaction between irrigation levels and splitting of the nitrogen fertilizer had a significant effect on grain yield. As the highest mean value of grain yield was obtained from 5 splits with 100% of irrigation requirement in the first season while in the second season the highest grain yield was obtained from 6 splits with 100% irrigation requirements. From this study, data clarify that in sandy soils about 25% of irrigation requirements could be saved without significant losses in grain yield by splitting the nitrogen fertilization. Thus we could have additional amount of water could be used for increase the cultivation area of wheat to minimize the production consumption gap of this crop. | ||
| Keywords | ||
| Wheat; irrigation requirements; splitting; Nitrogen fertilization | ||
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