To what extent the higher yield of hybrid than inbred
Research gap analysis derived from 4 agriculture papers in our local library.
The gap
However, to what extent the higher yield of hybrid than inbred rice depends on N fertilizer input remains unclear.
Evidence profile
Sourced from the abstract of the source papers, classified as general, drawn from work published between 2021 and 2026, spanning 3 journals. Those papers have been cited 69 times in total.
Research trend
Established — well-defined area with open sub-problems.
Supporting evidence — 4 representative gaps
- Biochar and milk vetch synergistically enhance rice yield and soil fertility via regulating N-cycling in reddish paddy fields (2026) · Frontiers in Plant Science · doi
However, the effects of the combined application of rice straw biochar (RSB) and MV over multiple years on nitrogen (N) dynamics, microbial ecology, and rice yield remain unclear.
generalabstractevidence 5/5Keywords: rice effects combined application straw biochar multiple years nitrogen dynamics microbial ecology yield remain unclear - Nitrogen application timing drives stage-specific rhizosphere ecological clusters that regulate the yield-quality trade-off in hybrid rice (2026) · Biology and Fertility of Soils · doi
However, how N-splitting regimes influence the trade-off between hybrid rice yield and quality, and the underlying rhizosphere microbial mechanisms, remain poorly understood.
generalabstractevidence 2/5Keywords: splitting regimes influence trade hybrid rice yield quality underlying rhizosphere microbial mechanisms remain poorly understood - Nitrogen/potassium interactions increase rice yield by improving canopy performance (2021) · Food and Energy Security · cited 23× · doi
Abstract The interactions between nitrogen (N) and potassium (K) are important determinants of rice yield, but the mechanisms involved remain poorly understood.
generalabstractevidence 2/5Keywords: abstract interactions nitrogen potassium important determinants rice yield mechanisms involved remain poorly understood - High yields of hybrid rice do not require more nitrogen fertilizer than inbred rice: A meta‐analysis (2021) · Food and Energy Security · cited 46× · doi
However, to what extent the higher yield of hybrid than inbred rice depends on N fertilizer input remains unclear.
generalabstractevidence 1/5Keywords: extent higher yield hybrid inbred rice depends fertilizer input remains unclear
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