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Egyptian Journal of Agricultural Research
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NAGM AL DEEN, F., . El ANSARY, M., AWAAD, M., SOLTAN, W. (2019). EFFECT OF IRRIGATION WATER SALINITY ON SWEET PEPPER YIELD AND ITS WATER PRODUCTIVITY UNDER DRIP IRRIGATION. Egyptian Journal of Agricultural Research, 97(2), 385-404. doi: 10.21608/ejar.2019.150696
FAWZIA A. NAGM AL DEEN; MOHAMED Y. . El ANSARY; MONTASER A. AWAAD; WAEL M. SOLTAN. "EFFECT OF IRRIGATION WATER SALINITY ON SWEET PEPPER YIELD AND ITS WATER PRODUCTIVITY UNDER DRIP IRRIGATION". Egyptian Journal of Agricultural Research, 97, 2, 2019, 385-404. doi: 10.21608/ejar.2019.150696
NAGM AL DEEN, F., . El ANSARY, M., AWAAD, M., SOLTAN, W. (2019). 'EFFECT OF IRRIGATION WATER SALINITY ON SWEET PEPPER YIELD AND ITS WATER PRODUCTIVITY UNDER DRIP IRRIGATION', Egyptian Journal of Agricultural Research, 97(2), pp. 385-404. doi: 10.21608/ejar.2019.150696
NAGM AL DEEN, F., . El ANSARY, M., AWAAD, M., SOLTAN, W. EFFECT OF IRRIGATION WATER SALINITY ON SWEET PEPPER YIELD AND ITS WATER PRODUCTIVITY UNDER DRIP IRRIGATION. Egyptian Journal of Agricultural Research, 2019; 97(2): 385-404. doi: 10.21608/ejar.2019.150696

EFFECT OF IRRIGATION WATER SALINITY ON SWEET PEPPER YIELD AND ITS WATER PRODUCTIVITY UNDER DRIP IRRIGATION

Article 10, Volume 97, Issue 2, July 2019, Page 385-404  XML PDF (2.25 MB)
Document Type: Original Article
DOI: 10.21608/ejar.2019.150696
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Authors
FAWZIA A. NAGM AL DEEN1; MOHAMED Y. . El ANSARY2; MONTASER A. AWAAD2; WAEL M. SOLTAN1
1Agricultural Engineering Research Institute (AENRI), Dokki, Giza, Egypt.
2Faculty of Agriculture, Banha University, Mushtoher, Egypt.
Abstract
availability of fresh surface water for irrigation is declining in Egypt and saline ground water is increasingly used for irrigation. A field experiment was carried out on a sandy soil at Dokki protected cultivation experimental site, Agriculture Research Center (ARC), Ministry of Agriculture and Land Reclamation during summer and winter season of 2017-2018, to evaluate the effect of water quality and drip irrigation management on sweet pepper (Capsicum annuum L. cv. Top star) plants under surface drip irrigation. The experiment consists of three treatments of water salinity (EC) with and without adding the needed leaching requirements (LR). The water salinity treatments were the control (Sc) where EC = 0.4ds/m, (S3ds/m) where EC = 3ds/m and (S5ds/m) where EC = 5ds/m, leaching requirement (LR) was applied after 2 months from transplanting. LR treatments were ScLR; S3LR and S5LR. It was found that irrigation with different salinity levels and Leaching requirement both affected the growth characteristics, yield and irrigation water productivity of sweet pepper plant. It was concluded that more salt accumulation in the root zone could lead to higher potential yield losses of sensitive and moderately sensitive crops, such as sweet peppers. Also, it was found that the higher the salinity in the irrigation water the less the plant height, the roots fresh weight, and the number of fruits per plant. As well as the higher the salinity in the irrigation water the more concentration of Na, cl, TSS and proline in fruits. It was observed that the highest peppers yield (2.89 Kg/m2) and the best irrigation water productivity (1.04 Kg/m3 water) were obtained from the fresh water treatment with LR management (ScLR). While, irrigation by saline water with LR S3LR and S5LR treatments reduced peppers yield by 19% and 66% compared with Sc respectively.
Keywords
water quality; capsicum annum L; leaching requirement; salt tolerance; fruits quality
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