Decreased panicle N application alleviates the negative effects of shading on rice grain yield and grain quality

Autor: Huan-he WEI, Jia-lin GE, Xu-bin ZHANG, Wang ZHU, Fei DENG, Wan-jun REN, Ying-long CHEN, Tian-yao MENG, Qi-gen DAI
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: Journal of Integrative Agriculture, Vol 22, Iss 7, Pp 2041-2053 (2023)
Druh dokumentu: article
ISSN: 2095-3119
DOI: 10.1016/j.jia.2022.08.045
Popis: Light deficiency is a growing abiotic stress in rice production. However, few studies focus on shading effects on grain yield and quality of rice in East China. It is also essential to investigate proper nitrogen (N) application strategies that can effectively alleviate the negative impacts of light deficiency on grain yield and quality in rice. A two-year field experiment was conducted to explore the effects of shading (non-shading and shading from heading to maturity) and panicle N application (NDP, decreased panicle N rate; NMP, medium panicle N rate; NIP, increased panicle N rate) treatments on rice yield- and quality-related characteristics. Compared with non-shading, shading resulted in a 9.5–14.8% yield loss (P
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