Potential Impact of Gypsum Supplementation and Foliar Spraying with Different Sources of Potassium on Yield and Quality of Carrot | ||
| Horticulture Research Journal | ||
| Volume 2, Issue 4, December 2024, Pages 116-132 PDF (1.19 M) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/hrj.2024.396437 | ||
| Abstract | ||
| The current research was conducted during the two winter seasons of 2020/2021 and 2021/2022 at Shabrawish Village, Aga, Dakahila Governorate, to investigate the effect of agriculture gypsum addition to the soil at the rate of 1 t/fed., with foliar application of different sources of potassium at a dose of 4000 ppm K2O (potassium sulfate, potassium citrate, monopotassium phosphate, potassium thiosulfate, potassium silicate) and their interaction on growth, yield and root quality of carrot, Fire Wedge F1 Hybrid. Results indicated that agriculture gypsum addition to the soil had significant increased growth parmeter, i.e. plant height, number of leaves/plants, and fresh and dry weight of shoots. Furthermore, root length, root diameter, fresh and dry weight of roots, total yield (t/fed.) and percent of NPK, chlorophyll a, b and total chlorophylls a + b content in the leaves. In addition, NK, total soluble solids (TSS) and ascorbic acid (vitamin C) contents in the roots in both seasons. Similarly, foliar application with different sources of potassium significantly increased vegetative growth characters, root yield and its components, chemical contents and root quality parameters in both seasons. Foliar spraying with potassium thiosulphate and monopotassium phosphate was more effective than other sources of potassium. In general, the highest values of all the aforementioned study traits were recorded with those plants received agriculture gypsum combination with foliar spraying of potassium thiosulphate or monopotassium phosphate | ||
| Keywords | ||
| Carrot; Gypsum potassium thiosulphate; Monopotassium phosphate; Yield | ||
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