To What Extent Can Biofertilizers Replace Chemical Fertilizers for Valencia Orange (Citrus sinensis L. Osbeck) Trees Growing in Sandy Soil Conditions? | ||||
| Egyptian Journal of Soil Science | ||||
| Article 16, Volume 65, Issue 3, September 2025, Page 1517-1527 PDF (556.05 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/ejss.2025.398054.2224 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
Doaa Mahmoud Abou Elyazid   ; Farouk A. El-Morshedy; Islam A. Shaaban
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| Horticulture Department, Faculty of Agriculture, Kafrelsheikh University, 33516 Kafr El-Sheikh, Egypt | ||||
| Abstract | ||||
| Excessive consumption of chemical fertilizers in citrus orchards and other fruit crops has caused many negative effects on the surrounding ecosystem, soil composition, fruit quality, and sustainability. in this investigation, two sources of N, k biofertilezers were added as partial alternative of mineral nitrogen at level 100, 75,50 % of its recommended dose and the effet of this on Valencia orange trees vegetative growth, productivity and fruit quality were studeid . the resulls indicated that using bio N with or without Bio k fertilizer with 75% or 50 % of recommended N fertilizer succeded in enhancing most of vegetative , yield and fruit parameters . Moreover, the applying of biofertilizers enhanced the mineral contents in leaves .The purpose of this study is to increase Valencia orange trees' capacity for growth in sandy soil without using an excessive amount of N mineral fertilizer. | ||||
| Keywords | ||||
| Citrus; Biofertilizers; Sandy soil; Nitrogen- fixing bacteria; Potassium-dissolving bacteria | ||||
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