THE BENEFICIAL EFFECTS OF FERTILIZERS BY USING NATURAL AND BIO-FERTILIZERS ON VEGETATIVE GROWTH AND FRUITING OF BALADY MANDARIN | ||||
| Menoufia Journal of Plant Production | ||||
| Article 3, Volume 6, Issue 8, August 2021, Page 405-422 PDF (469.21 K) | ||||
| Document Type: original papers | ||||
| DOI: 10.21608/mjppf.2021.193753 | ||||
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| Authors | ||||
| A. M. Fathallah; A. E. Hasan; A. A. Kasem; Basma S. A. Salama | ||||
| Department of Horticulture, Faculty of Agriculture, Menoufia University | ||||
| Abstract | ||||
| This study included was conducted during 2017 and 2018 seasons on 21-year- old Balady mandarin trees (Citrus reticulata) budded on sour orange rootstock grown, to investigate the possibility of reducing the amount of mineral fertilizers by using organic and biofertilizers of Balady Mandarin trees. Trees planted at 5x5 meters, grown in clay loam with and irrigated by flood irrigation system. Seven fertilization treatments were applied as follows: 100% mineral NPK fertilizers (control), 100% organic fertilizers (enrichment compost with two natural rocks, rock phosphate and feldspar), 100% biofertilizers (nitrobien, phosphorien and potassiumag), 50% mineral fertilizers + 50% organic fertilizers, 50% mineral fertilizers + 50% biofertilizers, 50% organic fertilizers + 50% biofertilizers and 33.3% mineral fertilizers + 33.3% organic fertilizers + 33.3% biofertilizers. The results indicated that there is a possibility of using organic and biofertilizers as a partial substitute of mineral fertilizers. As this study confirmed the application of mineral, organic and bio-fertilizers at equal ratios (1:1:1) was the best management system for ensuring the best vegetative growth traits, achieving the highest yield with its components, improving the physical and chemical characteristics of fruits and increasing leaf mineral content of Balady Mandarin trees. | ||||
| Keywords | ||||
| Balady mandarin; mineral fertilizers; organic fertilizers; compost; natural rocks; biofertilizers; yield; fruits | ||||
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