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| Effects of Peat Added on Physiological Characteristics，Yield and Quality of Tomato Cultivated in Substrate Culture |
| BAI Long-qiang1，LI Yan-su2，HE Chao-xing2，ZHANG Zhi-bin2，YU Xian-chang2* |
| 1Horticultural College of Shandong Agricultural University，Taian 271018，Shandong，China|2Institue of Vegetables and Flowers，Chinese Academy of Agricultural Sciences，Beijing 100081，China |
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Abstract The effects of peat added by 20%（ratio by volume）on physicochemical characters，physiological properties，yield and quality of tomato（Lycopersicon esculentum Mill.）growing in different culture substrates were studied．The results showed that the pH of the substrate was decreased and the EC，available nutrient and organic contents were raised by adding peat．The porosity was adjusted to vegetable growing．And the mineral elements absorption，especially trace elements uptake，and photosynthetic capacity of tomato were prompted，the yield and quality of tomato were improved by adding peat．The results indicated that adding peat into the culture substrate could facilitate the growth and development of tomato through improving the physical and chemical condition of the culture substrate．
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Received: 26 February 2012
Published: 28 April 2012
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