Document Type : Original Article
Authors
1
Horticulture, Agriculture, Ain shams
2
Department of Horticulture, Faculty of Agriculture, Ain Shams University, Egypt.
3
Department of Soil Science, Faculty of Agriculture, Ain Shams University, Cairo, Egypt
4
Arid Lands Agricultural Studies and Research Institute (ALARI) Faculty of Agriculture, Ain Shams University.
Abstract
This investigation was conducted under greenhouse conditions in the Abu Ghaleb area, Giza Governorate, Egypt, during two successful seasons of 2019 and 2020. The Rosalina F1 tomato hybrid was used in this study to produce organic tomatoes. There were five treatments, chicken manure, plant compost, animal compost, chemical fertilizer and humic acid. The highest values of fruit weight were found with treatment of chicken manure, 83.6 and 78.3g, in seasons 2019 and 2020, respectively. While the plant compost treatment recorded the highest values of plant height, 120 and 118 cm, in seasons 2019 and 2020, respectively. The lowest values of unmarketable crop in 2019 was 83.30g/plant with plant compost treatment and 88.33g/plant in 2020 was with chicken manure treatment, while the highest values of unmarketable crop were found when treated with animal compost, 136 and 125g/plant, in seasons 2019 and 2020, respectively. With respect to N and Ca percentage, the highest concentrations were recorded with plant compost treatment, 0.52, 2.98% and 2.95 2.89% in 2019 and 2020, respectively. Regarding K%, the highest concentration was recorded with animal compost treatment, 4.2 and 4.66% in 2019 and 2020, respectively. The trait of firmness firmness recorded highly significant values were recorded with chicken manure treatment, 0.36 lb/inch2 in both seasons. It was found that total plant yield and marketable crop weight per plant recorded the highest values with chicken manure, 1736 and 1646g/plant (unmarketable crop weight per plant 90g) in season 2019, and 1628 and 1540g/plant (unmarketable crop weight per plant 88.3g) in season 2020, respectively. In most cases, no significant differences were realized between chicken manure and plant compost treatments. The lowest significant values of all measured parameters were achieved when tomato plants received chemical fertilizer or humic acid treatments.
Keywords
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