Optimizing Stem Strength and Yield Stability by Combining Controlled-Release Nitrogen Fertilizer and Urea Application Across Different Sowing Dates
2025
Yinsen Qian | Umair Sarfraz | Huawen Bian | Quan Ma | Xiaoqi Gu | Fujian Li | Ying Li | Min Zhu | Chunyan Li | Jinfeng Ding | Wenshan Guo | Xinkai Zhu
The delayed sowing date and basal internode lodging caused by climate change are major constraints on wheat productivity. To investigate the effects of varying sowing dates and fertilization application regimes on wheat yield and lodging resistance, a two-year field experiment was conducted with two sowing dates and five fertilization application regimes. Results revealed that the T2 sowing period caused grain yield reductions of 43.82% and 29.82% over two consecutive years, accompanied by shortened second basal internode length and decreased plant height, although lignin content increased significantly. Among fertilization treatments, S4 effectively enhanced the mechanical strength of the second basal internode, achieving both higher yield and superior lodging resistance. We propose combining controlled-release nitrogen fertilizer (CRNF) with urea across different sowing dates to optimize productivity and stem stability. These strategies tackle climate-driven sowing delays and lodging while maximizing yield potential.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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