植物对土壤养分异质性的响应的研究进展
Research progress of plant response to soil environment with different nutrients
摘要
土壤有效养分含量存在空间上和时间上的变化,土壤养分空间异质性在自然生态系统中普遍存在,且空间变化程度较大,能被植物根系所感知。为适应养分空间分布不均匀的土壤环境,植物表现出不同的响应策略。磷是植物生长过程中最重要的元素之一,它参与许多重要的代谢过程,包括核酸和膜磷脂的生产和合成。目前,土壤缺磷成为了林、农业生产的主要限制因素之一。探索植物对土壤养分的适应机制已成为现在科学研究的重点之一。本文将从土壤养分异质性以及植物对其响应两个角度进行综述。
Abstract
The spatial heterogeneity of soil nutrients is common in natural ecosystems, and the spatial variation degree is large, which can be perceived by plant roots. In order to adapt to the uneven spatial distribution of nutrients in soil environment, plants show different response strategies. Phosphorus is one of the most important elements in plant growth. It is involved in many important metabolic processes, including the production and synthesis of nucleic acids and membrane phospholipids. At present, soil phosphorus deficiency has become one of the main limiting factors of forest and agricultural production. Exploring the adaptation mechanism of plants to soil nutrients has become one of the focuses of scientific research. This paper will review the heterogeneity of soil nutrients and plant response to it.
关键词:杨;土壤养分异质性;磷缺乏
Key word: Populus;soil nutrient heterogeneity;phosphorus deficiency
目录
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