El-Dengawy, E., Mustafa, M., Abo El-Enien, M., Barakat, R. (2019). Impact of Magnetization and Organic Acids on the Growth and Productivity of ‘Washington Navel Orange’ Trees under Irrigation with Salty Water. Journal of Plant Production, 10(6), 469-475. doi: 10.21608/jpp.2019.48294
E. F. A. El-Dengawy; M. F. M. Mustafa; M. M. S. Abo El-Enien; R. A. Barakat. "Impact of Magnetization and Organic Acids on the Growth and Productivity of ‘Washington Navel Orange’ Trees under Irrigation with Salty Water". Journal of Plant Production, 10, 6, 2019, 469-475. doi: 10.21608/jpp.2019.48294
El-Dengawy, E., Mustafa, M., Abo El-Enien, M., Barakat, R. (2019). 'Impact of Magnetization and Organic Acids on the Growth and Productivity of ‘Washington Navel Orange’ Trees under Irrigation with Salty Water', Journal of Plant Production, 10(6), pp. 469-475. doi: 10.21608/jpp.2019.48294
El-Dengawy, E., Mustafa, M., Abo El-Enien, M., Barakat, R. Impact of Magnetization and Organic Acids on the Growth and Productivity of ‘Washington Navel Orange’ Trees under Irrigation with Salty Water. Journal of Plant Production, 2019; 10(6): 469-475. doi: 10.21608/jpp.2019.48294
Impact of Magnetization and Organic Acids on the Growth and Productivity of ‘Washington Navel Orange’ Trees under Irrigation with Salty Water
1Damietta University, Faculty of Agriculture, Pomology Department, Egypt.
2Mansoura University, Faculty of Agriculture, Pomology Department, Egypt.
3Agriculture Research Center, Horticulture Department, Citrus Research, Giza, Egypt.
Abstract
The current investigation was executed to assess the effects of magnetization, which combines magnetized water (MW) and magnetic iron (150g tree-1), and organic acids (Humic acid at 150cm tree-1) As anti-salinity factors in mitigating the negative effects of salinity on growth, leaf mineral contents, yield and fruit properties of Washington Navel orange trees planted in sandy soil and watered with drip irrigation method (ECw of irrigation water = 4ds/m) in 2014 and 2015 under El-Behera governorate conditions. The results indicated that the trees subjected to combination treatment involved (MW) and humic acid as soil application or magnetic iron gave the best vegetative growth parameters (tree height, canopy volume, No. of shoots per branch, shoot length, No. of leaves shoot and leaf area compared to comparative treatment (the control). Soil application of humic acid under irrigation with MW(MW+ Humic acid) increased mineral contents for leaves (N, P, K, and Mg) meanwhile, the sequence of MW+ magnetic iron gave the highest Ca content. The highest leaf Na content (0.48 and 0.52%) obtained by the control meanwhile, the lowest leaf proline content (10.0 and 9.2mg g-1) was obtained by combination treatment (MW + humic acid) compared to the highest values (12.4 and 12.7mg g-1) recorded with the control (WW). Yield and fruit quality attributes were increased with soil application of humic acid or magnetic iron following irrigation with magnetized water.
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