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Egyptian Journal of Horticulture
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Volume Volume 47 (2020)
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Volume Volume 45 (2018)
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Youssef, S., Riad, G., Abu El-Azm, N., Ahmed, E. (2018). Amending Sandy Soil with Biochar or/and Superabsorbent Polymer Mitigates the Adverse Effects of Drought Stress on Green Pea. Egyptian Journal of Horticulture, 45(1), 169-183. doi: 10.21608/ejoh.2018.3860.1067
Sabry Youssef; Gamal Riad; Nashwa Attia Ibrahim Abu El-Azm; Enas Ahmed. "Amending Sandy Soil with Biochar or/and Superabsorbent Polymer Mitigates the Adverse Effects of Drought Stress on Green Pea". Egyptian Journal of Horticulture, 45, 1, 2018, 169-183. doi: 10.21608/ejoh.2018.3860.1067
Youssef, S., Riad, G., Abu El-Azm, N., Ahmed, E. (2018). 'Amending Sandy Soil with Biochar or/and Superabsorbent Polymer Mitigates the Adverse Effects of Drought Stress on Green Pea', Egyptian Journal of Horticulture, 45(1), pp. 169-183. doi: 10.21608/ejoh.2018.3860.1067
Youssef, S., Riad, G., Abu El-Azm, N., Ahmed, E. Amending Sandy Soil with Biochar or/and Superabsorbent Polymer Mitigates the Adverse Effects of Drought Stress on Green Pea. Egyptian Journal of Horticulture, 2018; 45(1): 169-183. doi: 10.21608/ejoh.2018.3860.1067

Amending Sandy Soil with Biochar or/and Superabsorbent Polymer Mitigates the Adverse Effects of Drought Stress on Green Pea

Article 11, Volume 45, Issue 1, Winter and Spring 2018, Page 169-183  XML PDF (657.04 K)
Document Type: Original Article
DOI: 10.21608/ejoh.2018.3860.1067
Authors
Sabry Youssef email orcid 1; Gamal Riad2; Nashwa Attia Ibrahim Abu El-Azm3; Enas Ahmed4
1Horticulture Department, Agriculture Faculty, Ain Shams University
2Vegetable Research Department, National Research Center, Tahrir St., Dokki, Cairo, Egypt.
3Department of Horticulture, Faculty of Agriculture, Ain Shams University, Egypt.
4Chemical Engineering and Pilot Plant Department, National Research Centre, El-Buhouth St., Dokki, 12622 Cairo, Egypt.
Receive Date: 16 May 2018,  Revise Date: 26 May 2018,  Accept Date: 28 May 2018 
Abstract
Faced with the scarceness of water resources and climate changes, drought is undoubtedly one of the most important abiotic stresses limiting the growth and productivity of plants including green pea, especially in the arid and semi-arid areas. The uses of soil amendments like biochar and superabsorbent polymer, which characterized by enhancing water holding capacity and improving soil physical properties, become more important in these areas. A lysimeter experiment with sandy soilin a completely randomized design was carried out in three replicates to study the effect of biochar or/and superabsorbent polymer on the growth and productivity of green pea (Pisum sativum L.) cv. Master B under full irrigation (100% of water requirement) and water deficit regime (75% of water requirement) conditions during 2015/2016 and 2016/2017seasons at the Experimental Research Farm of the Horticulture Department, Faculty of Agriculture, Ain Shams University, Qalyubia Governorate, Egypt. Results revealed that lowering irrigation level to 75% of water requirements led to significant decreases in vegetative growth parameters, SPAD readings, leaf relative water content, leaf nutrients (N, P, and K) and pod yield components compared with the full irrigation. Adding biochar or/and superabsorbent polymer significantly increased the aforementioned characters under both full irrigation and water deficit conditions. Application of biochar with superabsorbent polymer was the most efficient treatment to alleviate the deleterious effects of water deficit on green pea cultivation in sandy soils. In conclusion, applying biochar (1% w/w) with superabsorbent polymer (0.7% w/w) might be a promising novel approach to improve sandy soils characteristics and help green pea cultivation in these soils which are characterized by a low water holding capacity and low fertility.
Keywords
Pisum sativum; Soil amendments; Hydrogel; Water deficit; Leaf relative water content; Water holding capacity
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