Effects of Different Fertilizer Formulas on Yield Quality and Nutrient Absorption of Tomato in Solar Greenhouse(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Effects of Different Fertilizer Formulas on Yield Quality and Nutrient Absorption of Tomato in Solar Greenhouse

Author(s):: LIAN Xiaojuan; WANG Yan; YANG Jun; LIANG Xinshu; ZHANG Jinliang; WANG Zhengxiang; （Tianjin Agricultural Resources and Environmental Research Institute，Tianjin 300192）

Keywords:: fertilizer formulas; solar greenhouse; tomato; yield; quality; nutrient absorption

Abstract:: ‘Zhaoyan 299’ tomato variety was used as test material，the effects of different fertilizer formulas on yield,quality and nutrient absorption of tomato were investigated under drip irrigation,with determining the optimal and regional fertilizer formula,in order to gain high quality and efficient production of tomato cultivated in solar greenhouse.The results showed that,when the application ratio of N∶P2O5∶K2O was 1.0∶0.4∶1.8,the yield,vitamin C content,soluble sugar content and the sugar-acid ratio of tomato were increased,with improving fruit quality,compared with other treatments.Moreover,it could significantly add total dry matter weight of plant when tomato was harvested finally,and the sequence of dry matter weight among different organs from high to low was fruit>stem>leaf>root.In addition,the treatment gained the highest amount of nutrient absorption,and the order of nutrient absorption rate was K2O>N>P2O5.Generally,based on the analysis of yield and nutrient uptake of tomato,the 1.73 kg N,0.89 kg P2O5,3.51 kg K2O were absorbed in production of 1 000 kg fruit of tomato,and their optimal proportion was 1.0∶0.5∶2.0 suited for spring cultivation of tomato in coastal area.

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Last Update: 2017-03-23