Effect of Fertilization Practice on Nitrate Accumulation and Leachingin Vegetable Greenhouse System

Sensors & Transducers

X. Chen¹  Y.J. Zhao¹  Y. Shi¹ 

[1] Institute of Applied Ecology, Shenyang, 110016, China ;

关键词: Nitrate;    Accumulation;    Leaching;    Greenhouse soil;    Chemical fertilizer;    Manure.;   

DOI  :  

来源: DOAJ

【 摘 要 】

A leaching experiment was conducted on three level of total N soils transplanted with lettuce in packed soil columns. Nitrate content in the surface soil layer increased to 52.6, 92.8 and 92.1 mg kg-1 when 30 t ha-1 poultry manure was used alone in the low, medium and high level of total N soils. Measured leachate data showed that more nitrate was leached in the chemical fertilized soils in the low and high level of total N soils. In conclusion, the study clearly demonstrated that the appropriate application rate of poultry manure and chemical fertilizer with minimized nitrate leaching loss.

【 授权许可】

Unknown