摘要
钾是植物生长发育所必需的营养元素之一,而土壤钾库中生物有效性的钾所占比例相对较低,作物难以有效利用,且钾肥资源较为短缺,所以植物钾效率的研究日益引起国内外众多学者的重视。本文主要从钾高效吸收和利用等方面,着重阐述钾高效的营养生理和代谢机制的最新研究进展,提出了该领域存在的问题并就今后应开展的研究工作做了展望。
Potassium （K） is one of the important nutritional elements, and it is necessary for plant growth and develop- ment. While the proportion of bioavailability K in the soil K pool is relatively low, and it is difficult for crop to effectively use, and the K fertilizer resources are shortage. Therefore, the research about the efficiency of plant K increasingly attrac- ted the attention of many scholars all over the world. This article reviews the K efficient absorption and utilization, focuses on the latest research progress of the nutrient physiology and metabolic mechanism of K efficiency. Finally, we outlined the problems existing in this field and propose the future research directions.
出处
《中国土壤与肥料》
CAS
CSCD
北大核心
2014年第1期1-5,共5页
Soil and Fertilizer Sciences in China
基金
国家自然科学基金(40801112)
公益性行业(农业)科研专项(201203013)
IPNI(Hubei-37)
关键词
钾高效
根系形态
吸收
利用
生理机制
potassium efficient
root morphology
absorption
utilization
physiological mechanism
