有机无机肥配施对超级杂交稻产量构成及植株重金属含量的影响

Journal of Ecology and Rural Environment ›› 2012, Vol. 28 ›› Issue (1): 67-71.doi:

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Effects of Combined Application of Organic and Inorganic Fertilizers on Yield Composition and Heavy Metal Content of Super Hybrid Rice

LUO Lian-Guang, CUI Xin-Wei, YANG Yong, HE Ai-Guo, LIU Chao-Hui, YAN Ying-Cheng

Institute of Agricultural and Biological Resources Utilization,Hunan Academy of Agricultural Sciences

Received:2011-09-19 Revised:2011-12-02 Online:2012-01-25 Published:2012-01-10
Contact: CUI Xin-Wei Institute of Agricultural and Biological Resources Utilization,Hunan Academy of Agricultural Sciences E-mail:cuixinwei2008@yahoo.com.cn

Abstract

Abstract: Super hybrid rice “Y Liangyou No.1” was employed in a field experiment to investigate effects of combined application of organic and inorganic fertilizers (180 kg·hm^-2)on yield composition and heavy metal content of the crop.Results show that based on the simulation using a fertilization rate-yield model,yield of the crop was the highest,reaching 10084.37 kg·hm^-2,when 606.75 kg·hm^-2 organic fertilizer and 288.18 kg·hm^-2 urea were applied together,and the crop could yield an optimal economic benefit(grain yield:9968.42 kg·hm^-2)when 202.32 kg·hm^-2 organic fertilizer and 353.17 kg·hm^-2urea were applied together.No significant difference was observed in Cd content of the plant between treatments different in ratio of the organic and inorganic fertilizer combination.However,among the six treatments,the one(600 kg·hm^-2 organic fertilizer and 289.27 kg·hm^-2urea)was the highest in crop yield and the lowest in plant Cr content.

Key words: super hybrid rice, heavy metal, grain yield, organic and inorganic fertilizer

CLC Number:

S143.6

LUO Lian-Guang, CUI Xin-Wei, YANG Yong, HE Ai-Guo, LIU Chao-Hui, YAN Ying-Cheng. Effects of Combined Application of Organic and Inorganic Fertilizers on Yield Composition and Heavy Metal Content of Super Hybrid Rice[J]. Journal of Ecology and Rural Environment, 2012, 28(1): 67-71.

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Effects of Combined Application of Organic and Inorganic Fertilizers on Yield Composition and Heavy Metal Content of Super Hybrid Rice

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