Claim · model-written summary
Authors conclude deep fertilization increased flag leaf C, N and P, delayed senescence and promoted yield.
- Taxon
- spring wheat
Triticum aestivume0 - Treatment
- 30 cm deep fertilizatione0
- Outcome
- delayed the senescence of flag leaves, and promoted the increase of yielde0
- Qualifier
- under drought conditionse0
Verbatim
e0“30 cm deep fertilization under drought conditions increased the contents of C, N and P in flag leaves from booting to filling stage, delayed the decrease of N and P contents in flag leaves after flowering, optimized the ecological stoichiometric characteristics of flag leaves, reduced the restriction of N and P on the photosynthesis of flag leaves of spring wheat, increased the growth rate of Pn and shoots of flag le…” Show full quote
Title
Jin-Yu LIANG; Jia-De YIN; Hui-Zhi HOU; et al. ACTA AGRONOMICA SINICA 2024. doi:10.3724/sp.j.1006.2024.31074
Other claims from this paper (19)
- Intervention effect D30 reduced grain filling flag leaf C/N by 2.1%−6.4% versus D15.
- Intervention effect D30 reduced C/N by 5.4%−10.2% versus CK.
- Intervention effect D30 reduced C/P by 3.8%−5.2% versus D15.
- Intervention effect D30 reduced C/P by 5.4%−6.0% versus CK.
- Intervention effect D30 increased N/P distribution in 2021 by 1.4% and 4.1% versus D15 and CK.
- Intervention effect D30 decreased N/P in 2022 by 1.6% and 0.2% versus D15 and CK.
- Intervention effect D30 increased SPAD by 1.8%−6.5% versus D15.
- Intervention effect D30 increased SPAD by 15.5%−18.2% versus CK.
- Intervention effect D30 increased Pn by 21.6%, 27.0% and 28.5%−36.6% across stated comparisons.
- Intervention effect D30 increased shoot growth rate 22.1%−41.2% versus D15.
- Intervention effect D30 increased shoot growth rate 68.4%−80.8% versus CK.
- Intervention effect D30 increased mature dry matter accumulation by 10.6%−11.1%.
- Intervention effect D30 increased output by 15.7%−15.9% versus D15.
- Intervention effect D30 increased output by 46.5%−49.3% versus CK.
- Intervention effect D30 increased nitrogen fertilizer contribution by 46.6%−52.4% versus D15.
- Intervention effect Nitrogen partial productivity increased by 15.7%−16.0%.
- Intervention effect Nitrogen agronomic efficiency increased by 69.6%−76.7%.
- Association Flag leaf C, N and P contents correlated positively with SPAD, Pn and dry matter accumulation.
- Association Flag leaf ecological stoichiometry correlated negatively with SPAD, Pn and dry matter accumulation.