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Comparing of Yield and Yield Components of Hybrid Rice (GRH1) in Different Application of Nitrogen Fertilizer

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Author(s): Sahar Yoseftabar | Allahyar Fallah | Jahanfar Daneshian

Journal: International Journal of Biology
ISSN 1916-9671

Volume: 4;
Issue: 4;
Date: 2012;
Original page

ABSTRACT
A field trial to determine comparing of yield and yield components of hybrid rice (GRH1) in different application of nitrogen fertilizer, comprising of 2 treatments, nitrogen fertilizer at 100, 200 and 300 kg/ha was main plot and spilt application at 3 levels T1=(1/2basal-1/2mid tillering), T2=(1/3basal-1/3mid tillering-1/3panicle initation) and T3=(1/4basal-1/4 mid tillering-1/4panicle initation-1/4 flowering) as sub plot. Using randomized complete block design (RCBD) with 3 replications in rice research institute of Iran-departy of mazandaran (amol) in 2006 cropping season. The results showed that yield and yield components increased significantly with nitrogen fertilizer. Interesting in comparison to 100 and 200 kg/ha level application of higher N-fertilizer 300 kg/ha showed a positive respond to application of high nitrogen on hybrid cultivar. Effect of different split application N-fertilizer was significantly on parameter of above. Study interaction effect of treatments revealed that all the yield and yield parameters increased significantly with an application of 300 kg/ha N-fertilizer at 4 stages.
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