INFLUENCE OF IRRIGATION WATER QUANTITY AND BIOFERTILIZER ON CAULIFLOWER PRODUCTIVITY IN SANDY CALCAREOUS SOIL | ||
| Fayoum Journal of Agricultural Research and Development | ||
| Article 11, Volume 32, Issue 2, July 2018, Pages 119-134 PDF (538.61 K) | ||
| Document Type: Research articles. | ||
| DOI: 10.21608/fjard.2021.191124 | ||
| Authors | ||
| Refai E.F.S.1; Hassan H.A. Mostafa2; M. M. Hefzy3 | ||
| 1Horticultural Res. Institute, A. R. C., Giza, Egypt. | ||
| 2Central Lab. Organic Agric., A. R. C., Giza, Egypt. | ||
| 3Soils, Water and Environment Res. Institute, A. R. C., Giza, Egypt. | ||
| Abstract | ||
| Water stress adversely affects plant productivity. Plant growth and curd production of cauliflower are limited under water stress. Hence, this research was an attempt to determine the effect of water regimes on cauliflower yield, enhance the productivity in the sandy calcareous soils by using active dry yeast extract or potassium humate and maximize of the water unite production. The cauliflower plants have shown varying responses against water regimes, which was irrigation with 80% of Reference Evapotranspiration (ETo) gives the highest values for all studied parameters. Moreover, soil applications of active dry yeast extract or potassium humate had the greatest stimulation effect on plant growth characters under different irrigation regimes (100%, 80% and 60% of ETo) in compared with control. The results of the interaction revealed that the second irrigation (80% of ETo) plus adding active dry yeast extract or potassium humate to soil recorded the largest curd diameter, biggest curd weight, and also the highest total yield of cauliflower during 2014/2015 and 2015/2016 seasons, respectively. | ||
| Keywords | ||
| Sandy soil; Drip Irrigation system; Humic; Yeast extract | ||
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