It is widely reported that japonica/indica hybrids（JIH） have superior grain yield over other main varietal groups such as indica hybrids（IH） under sufficient resource inputs. To date, little attention has been paid to yield performance of JIH under input-reduced practices, and whether JIH could have better grain yield performance over IH under input-reduced practices. In this study, three JIH varieties and three IH varieties were compared in grain yield and their related morpho-physiological tra... 

【文章來(lái)源】：Journal of Integrative Agriculture. 2020,19(11)SCICSCD

【文章頁(yè)數(shù)】：13 頁(yè)

【文章目錄】：
1. Introduction
2. Materials and methods
    2.1. Experimental site and rice varieties
    2.2. Experimental treatments and field management
    2.3. Sampling and measurement
3. Results
    3.1. Grain yield and its components,and tillers development
    3.2. Shoot biomass accumulation and translocation,harvest index and N accumulation and N utilization efficiency
    3.3. LAI,leaf area duration,light extinction coefficient,and root activity
    3.4. Correlation analysis
4. Discussion
    4.1. Yield superiority of JIH over IH under DRNP
    4.2. Several morpho-physiological traits for better yield performance of JIH over IH under DRNP
5. Conclusion


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