Effect of Different Calcium Levels on Growth,Yield and Fruit Quality of Tomatoes in Substrate Culture

查看全文 作　　者：Jing [1]FENG;Ruiping [1]LIU;Hongyi [1]LUO

机构地区：[1]College of Resources and Environment, Shandong Agricultural University

出　　处：《Agricultural Science & Technology》索引2015年第16卷第8期,共5页

摘　　要：Tomato seedlings were grown in substrate culture with pots. The formulation of Holland Greenhouse Horticulture Research Institute was used(as CK) and the effects of different Ca concentrations(LCa, CK and HCa)on growth, yield, and fruit quality(protein, Vitamin C, nitrates, organic acid and soluble sugar) of tomato were studied keeping concentrations of other nutrients unchanged in the nutrient solution. The results showed that parameters related to the growth of tomato(plant height and Stem diameter), changes of tomato yield per plant and quality of tomato fruits were the highest when the plants were grown at 20% Ca treatments. In the second study, increased EC concentrations of nutrient solution resulted in stronger plants with improved yields and quality. Four different concentration gradients of nutrient solution treatment were designed based on the results of the first research stage(EC=1.5, 2.5, 3.5, 4.5 m S/cm, respectively). The single tomato plant had the highest production which is 2 268.994 g/plant, when the nutrient solution strength was at EC=1.5 m S cm, whereas they have the best fruit quality when the solution strength at EC 4.5 m S/cm. This suggests the need for wide popularization of the nutrient solution formula in large areas to improve the tomato production. 关键词：栽培番茄果实品质生长发育基质栽培产量钙水平营养液浓度园艺研究所

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Effect of Different Calcium Levels on Growth,Yield and Fruit Quality of Tomatoes in Substrate Culture

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