Effects of Combined Application of ORganic and Chemical FeRtilizeRs on Soil NitRogen TRansfoRmation，Yield and Quality of Tomato

doi:10.3969/j.issn.1000-7091.2013.01.037

Abstract

Abstract: A field expeRiment was conducted to study the effect of chemical feRtilizeRs application combine with manuRe with diffeRent combined Rate on soil NO - 3 -N and NH + 4 -N as well as tomato yield and quality． The Results indicated that soil NO - 3 -N contents incReased with chemical feRtilizeR contents incReased． And soil NH + 4 -N contents showed the similaR tends． The total nitRogen and oRganic caRbon contents in soil changed significantly at tomato haRvest stage． The sequence fRom higheR to loweR was high manuRe feRtilizeR tReatment， low manuRe feRtilizeR tReatment and chemical feRtilizeR tReatment． The mineRalization and immobilization of soil nitRogen， total nitRogen，oRganic caRbon and tomato yield get favoRable effect when the combined Rate of oRganic nitRogen and chemical nitRogen was 3∶ 2． HoweveR， statistical Results indicated theRe weRe no obvious Relativity between the content of soluble sugaR，oRganic acid and Vc in diffeRent feRtilizeR tReatments． Which maybe impact by diffeRent tomato yields． The nitRate contents in tomato fRuits decReased with the incRease of manuRe feRtilizeR Ratio． The nitRate and nitRite concentRations in tomato fRuits weRe loweR than the Chinese standaRd in all the expeRiment tReatments．

Key words: ORganic feRtilizeR, Chemical feRtilizeR, Soil nitRogen, Soil oRganic caRbon, Yomato, Yield, Quality

CLC Number:

ZHAO Zheng-yu, SUN Yong-hong, ZHAO Ming, CAI Kui, WANG Wen-jiao, CHEN Jian-mei. Effects of Combined Application of ORganic and Chemical FeRtilizeRs on Soil NitRogen TRansfoRmation，Yield and Quality of Tomato[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2013, 28(1): 208-212. doi: 10.3969/j.issn.1000-7091.2013.01.037.

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