Study the efficiency of using phosphogypsum with organic and biological fertilization on cotton yield | ||||
| Egyptian Journal of Agricultural Research | ||||
| Article 2, Volume 101, Issue 3, September 2023, Page 718-728 PDF (731.21 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/ejar.2023.215122.1410 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
Alshaimaa Ibrahim   1; Mohamed G.R. Sarhan2; Essam A. El-Waraky1
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| 1Plant Physiology Department, Cotton Research Institute. Agriculture Research Center, Giza, Egypt | ||||
| 2Soil, Water and Environment Research Institute, Agricultural Research Center, Giza, Egypt | ||||
| Abstract | ||||
| Phosphogypsum (PG) is considered a by-product from the degeneration of phosphate rock (PR) in sulfuric acid. PG is widely used to improve the physico-chemical properties of soil and increase the amount of soluble nutrients in the soil. The experiment was carried out during the 2021-2022 seasons at Sids Research Station, Agricultural Research Center, Bani Sweif, Egypt, using Giza 95 cultivar to evaluate the effect of PG (1.5 and 2.5 ton/fed) alone or with natural stimulants of farmyard manure (FYM) and phosphate solubilizing bacteria (PSB) on leaves chemical constituents, growth and yield characteristics, fiber properties and soil properties after cotton harvesting. The experiment design was a split-plot with three replicates. The main plots included calcium superphosphate and PG application and the sub-plots included control, FYM, and PSB application. The results illustrated that PG application (2.5 ton/fed) recorded the significantly highest values of all studied parameters. Adding FYM achieved the significantly highest results, followed by PSB application compared to control. The interaction between PG application (2.5 ton/fed) with FYM (5 ton/fed) gave the best means on all studied parameters during two seasons. The positive effect of PG application individually or with FYM and PSB might be related to enhancing of the soil properties, reducing soil pH, and producing of organic and growth hormones causing an increase in macro and micro-nutrients uptake by plants and improveing cotton plants growth and development. | ||||
| Keywords | ||||
| Phosphogypsum; Farmyard manure; phosphate solubilizing bacteria; Cotton | ||||
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