Minimizing 50% of Chemical Npk Fertilizers by Compost and Em and Their Impact on Growth, Nutritional Status, Productivity and Fruit Quality of Washington Navel Orange Trees
F. EL-Gioushy, S. (2021). Minimizing 50% of Chemical Npk Fertilizers by Compost and Em and Their Impact on Growth, Nutritional Status, Productivity and Fruit Quality of Washington Navel Orange Trees. EKB Journal Management System, 59(1), 45-56. doi: 10.21608/assjm.2021.176634
S. F. EL-Gioushy. "Minimizing 50% of Chemical Npk Fertilizers by Compost and Em and Their Impact on Growth, Nutritional Status, Productivity and Fruit Quality of Washington Navel Orange Trees". EKB Journal Management System, 59, 1, 2021, 45-56. doi: 10.21608/assjm.2021.176634
F. EL-Gioushy, S. (2021). 'Minimizing 50% of Chemical Npk Fertilizers by Compost and Em and Their Impact on Growth, Nutritional Status, Productivity and Fruit Quality of Washington Navel Orange Trees', EKB Journal Management System, 59(1), pp. 45-56. doi: 10.21608/assjm.2021.176634
F. EL-Gioushy, S. Minimizing 50% of Chemical Npk Fertilizers by Compost and Em and Their Impact on Growth, Nutritional Status, Productivity and Fruit Quality of Washington Navel Orange Trees. EKB Journal Management System, 2021; 59(1): 45-56. doi: 10.21608/assjm.2021.176634

Minimizing 50% of Chemical Npk Fertilizers by Compost and Em and Their Impact on Growth, Nutritional Status, Productivity and Fruit Quality of Washington Navel Orange Trees

Annals of Agricultural Science, Moshtohor
Article 7, Volume 59, Issue 1, March 2021, Page 45-56  XML PDF (551.23 K)
Document Type: Original Article
DOI: 10.21608/assjm.2021.176634
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Author
S. F. EL-Gioushy email
Horticulture Department, Faculty of Agriculture (Moshtohor), Benha University, Moshtohor, Toukh, 13736, Egypt.
Abstract
This research was conducted during the 2018 and 2019 seasons on 9-year-old Washington navel orange trees budded on Sour orange rootstock planted 5 x 5 meters apart under the surface irrigation of a private orchard in Manzala Village, Toukh Area, Qalubia Governorate, Egypt. The five treatments used in this experiment is defined as follows: T1-100% of chemical NPK, T2 - 50% of chemical NPK + compost @ 2 ton /fed, T3 - 50% of chemical NPK + compost @ 2 tons/fed. + EM @ 20ml per tree, T4 – 50% of chemical NPK + compost @ 3 ton/fed and T5 - 50% of chemical NPK + compost @ 3 ton/fed + EM @ 20ml per tree. The main goal was directed towards increasing growth of Washington navel orange trees, and fruiting aspects associated with lower its production cost through investigating the minimizing of chemical NPK fertilizers by compost and EM. Data obtained showed that all the evaluated treatments increased the growth parameters as well as the total chlorophyll and nutritional status of the leaf were also positively responded, fruit set%, yield/tree and fruit quality were also improved. However, T1-100% of chemical NPK and T5- 50% of chemical NPK + compost @ 3 ton/fed. + EM @ 20ml per tree was statistically superior. Moreover, T4 - 50% of chemical NPK + compost @ 3 tons/fed ranked statistically second in this concern.
Keywords
Washington Navel Orange; Minimizing; compost; EM; Productivity; and Fruit Quality
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