Comparative Studies on the Constitution of Tomatoes from Organic Cultivation in Four Locations

概要

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Tomato plants from organic cultivation were cultured in four productions using the same fertilizing conditions and cultivating methods. An investigation was conducted to determine how climatic conditions and chemical composition of the soil affect the components of the tomato fruits. Between 40 to 44 tomato plants were harvested in the four productions, based on their red color. The samples that were harvested in the G production had the highest in color test, rating and rapidly ripened. In the four productions, the contents of total ash and calcium in the tomato fruits were the highest in the G production, and phosphorus was the highest in the G and I prodctions. Their were affected by the amounts of various available nutrients in the soil. The content of vitamin C in all production's tomato fruits were higher than the listed value of that component in foods. These were found to be available in organic cultivation. It was affected by the soil components especially for calcium, nitrous acid and the full ripeness of the tomato plants, which were not affected by the climatic conditions.
日本食生活学会の論文