SHANG Qing-wen,LI Li.Study on Annual Change of Main Mineral Elements ?of ?Pteridium aquilinum[J].HEILONGJIANG AGRICULTURAL SCIENCES,2015,(07):52-55.[doi:10.11942/j.issn1002-2767.2015.07.0032]
蕨菜生长过程中大量元素年动态变化研究
?
- Title:
- Study on Annual Change of Main Mineral Elements ?of ?Pteridium aquilinum
- 文章编号:
- 10022767(2015)07-0052-04
- Keywords:
- Pteridium aquilinum; mineral-element; annual change; fertilizer
- 分类号:
- S647
- 文献标志码:
- A
- 摘要:
- 为探明蕨菜各部位对养分的吸收、运转及利用的年变化规律,对蕨菜不同部位中大量矿质元素的年动态变化进行了研究。结果表明:蕨菜需要大量元素数量由大到小顺序为K>N>Ca>Mg>P;随着蕨菜的生长,各种元素在蕨菜体内大量累积,地上部分积累集中在4至8月份,而地下部分积累集中在7至10月份;食用茎N、P、Mg元素含量基本呈下降趋势,说明食用茎营养主要来自蕨菜的根状茎传输。
- Abstract:
- In order to investigate the absorption,transportation and utilization law of main mineral-elements in?Pteridium aquilinum?,annual changes of main mineral-elements from different parts of?Pteridium aquilinum?were measured.The results indicated that the largest demand mineral element in ?Pteridium aquilinum??was K,followed N,Ca,Mg and P.With growth of ?Pteridium aquilinum?,all mineral-elements were accumulated,while the accumulation overground parts of Pteridium aquilinum??was focused on the period from Apr.to Agu.,and underground parts focused on the period from Jul.to Oct..The N,P and Mg content in edible stem of ?Pteridium aquilinum??decreased with Pteridium aquilinum?growth,which indicated the nutrition of edible stem mainly came from rhizomes.
参考文献/References:
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