磷
生物
生产力
生物量(生态学)
营养物
肥料
生物技术
生态系统
农学
农业工程
生态学
工程类
宏观经济学
经济
冶金
材料科学
作者
Yang Han,Philip J. White,Lingyun Cheng
出处
期刊:Annals of Botany
[Oxford University Press]
日期:2021-12-04
卷期号:129 (3): 247-258
被引量:39
摘要
Limitation of plant productivity by phosphorus (P) supply is widespread and will probably increase in the future. Relatively large amounts of P fertilizer are applied to sustain crop growth and development and to achieve high yields. However, with increasing P application, plant P efficiency generally declines, which results in greater losses of P to the environment with detrimental consequences for ecosystems.A strategy for reducing P input and environmental losses while maintaining or increasing plant performance is the development of crops that take up P effectively from the soil (P acquisition efficiency) or promote productivity per unit of P taken up (P utilization efficiency). In this review, we describe current research on P metabolism and transport and its relevance for improving P utilization efficiency.Enhanced P utilization efficiency can be achieved by optimal partitioning of cellular P and distributing P effectively between tissues, allowing maximum growth and biomass of harvestable plant parts. Knowledge of the mechanisms involved could help design and breed crops with greater P utilization efficiency.
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