IJAIR NAAS Score : 3.99 ,ISSN : 2319-1473
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Effects of Vermicompost Levels on the Growth and Yield of HT152 Tomato Variety Grown Organically
- Phan Thi Thuy; Nguyen Thi Ai Nghia; Pham Tien Dung
- The aim of this study is to investigate the appropriate vermicompost dose in tomato production following organic direction. The tomato variety, HT152, was cultivated in field at the Center for Organic Agriculture Promotion and Studies (COAPS), Vietnam National University of Agriculture in autumn-winter season 2012 and 2013. Both experiments arranged in a Randomized Complete Block Design-RCBD included six vermicompost levels (10, 15, 20, 25, 30, 35 ton ha-1) with three replications.The results showed that vermicompost dose had significant effect on plant height, leaf number, and height and internode number from stump to the first flower cluster. When appling higher vermicompost levels, significant higher in individual fruit weight and yield of tomato were supported. The highest yield was obtained at 35 ton ha-1 vermicompost (in autumn-winter season 2013) and at 30 ton ha-1 vermicompost (in autumn-winter season 2012, but the difference was not significant as compared to level 35 ton ha-1). Vermicompost had beneficial effects not only on yield but also on fruit quality. By regression way, the regression equation that presents depended relation between yield of HT152 tomato variety and vermicompost dose was established as following: y = 0.0054x2 + 0.3596x + 34.602 with R² = 0.4745. The result of optimal calculation indicated that the highest yield of HT152 tomato variety at optimal vermicompost dose of 33.3 ton ha-1. The knowledge gained from this study provided an important link about organic production, and could further improve product quality not only in tomato, but also in other plants.
- Select Volume / Issue:
- Year:
- 2017
- Type of Publication:
- Article
- Keywords:
- HT152 Tomato Variety; Organic Agriculture; Vermicompost; Correlation; Optimal Dose
- Journal:
- IJAIR
- Volume:
- 5
- Number:
- 4
- Pages:
- 513-518
- Month:
- January
- ISSN:
- 2319-1473
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