Yuanxin Li, Wei Liu, Diankui Chen
Beijing Vegetable Research Center
Beijing China 100089

Keywords:  tomato, nutrient solution, plant management, medium, deep solution flow.

Abstract.The experiments were conducted in Beijing Fangshan Hancunhe vegetable garden in a plastic greenhouse introduced from USA. To explore and study tomato genetic growth limit, and obtain the maximum per-plant yield, a comprehensive research project was focused on the nutrient solution management, medium selection, growth adjustment and environmental control.

In this study, tomato seeds were sowed on 11/15/2001, and the transplants were planted on 01/25/2002. Reproductive growth was restricted while nutrient growth was accelerated from 02/2002 to 04/2002. From 05/2002, when plant was as high as 2.5m, and canopy was about 6m in diameter, nutrient growth and reproductive growth were simultaneously developed. In the first harvest on 08/15/2002, 4832 tomato fruits were picked from a single plant with average fruit weight 86g. up to 03/12/2003, 15240 fruits were harvested from single plant.

Our research fulfilled the highest per-plant yield and provided a wonderful view for tourists, so this technique is suitable for sightseeing agriculture. Furthermore, the experiment studied tomato genetic growth limit and explored its production potentials.

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