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ACTA HORTICULTURAE SINICA ›› 2015, Vol. 42 ›› Issue (10): 2059-2058.doi: 10.16420/j.issn.0513-353x.2015-0341

• Research Notes • Previous Articles     Next Articles

Effects of NPK Fertilizers and Organic Manure on Nutritional Quality,Yield of Tomato and Soil Enzyme Activities

ZHANG En-ping,TAN Fu-lei,WANG Yue,ZHANG Shu-hong*,DUAN Yu,and ZHOU Fang   

  1. College of Horticulture,Shenyang Agricultural University,Shengyang 110866,China
  • Online:2015-10-25 Published:2015-10-25

Abstract:

Effects of organic manure and combined NPK fertilizers on tomato yield,nutrient contents and soil enzyme activities were systematically studied under long-term fertilization condition. Results showed that application of NPK could improve the contents of vitamin C,soluble solids,soluble protein,soluble sugar and total yield as well. Potash application resulted in significant improvement on vitamin C,soluble solids. Significant effects of phosphate and nitrogen on soluble sugar and total tomato yield were also found. Combined applications of NPK fertilizers and organic manure incented the addition of soil enzyme activities. Manure with nitrogen improved the catalase activity significantly. Phosphate played an important role on improvement of invertase and protease activities. Positive correlation between tomato yield,nutritional quality and soil enzyme activities had been found. Soil intertase activity especially contributed on tomato nutritional quality.

Key words: tomato, fertilization, soil enzymatic activity, quality, yield, correspondence analysis

CLC Number: