Effects of Nutrient and Super Absorbent Polymer Compound on Seedling Growth

CAO Yuanbo; WANG Baitian; WEI Tingting; WANG Ruijun; CHEN Zhihao

doi:10.13961/j.cnki.stbctb.2015.03.018

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Effects of Nutrient and Super Absorbent Polymer Compound on Seedling Growth

- Effects of Nutrient and Super Absorbent Polymer Compound on Seedling Growth
- Bulletin of Soiland Water Conservation Vol. 35, Issue 3, Pages: 68-72(2015)
- 作者机构：
  
  1. 北京林业大学水土保持学院,北京,100083
  2. 中国矿业大学(北京)地球科学与测绘工程学院,北京,100083
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2015.03.018
  CLC：
- Published：2015
- 稿件说明：
移动端阅览
CAO Yuanbo, WANG Baitian, WEI Tingting, et al. Effects of Nutrient and Super Absorbent Polymer Compound on Seedling Growth[J]. Bulletin of Soiland Water Conservation, 2015, 35(3): 68-72.
DOI：

CAO Yuanbo, WANG Baitian, WEI Tingting, et al. Effects of Nutrient and Super Absorbent Polymer Compound on Seedling Growth[J]. Bulletin of Soiland Water Conservation, 2015, 35(3): 68-72. DOI： 10.13961/j.cnki.stbctb.2015.03.018.

摘要

[目的] 分析复合缓释保水保肥材料对苗木生长的影响

探索适宜苗木生长的复合材料。[方法] (1) 选用4个实验组和1个对照组的皂角树进行盆栽试验

对苗木的生长和生理指标进行测量分析。[结果] (1) 复合缓释保水保肥材料能够显著提高苗木的地径

增加叶片数量和叶面积

增大新梢长度

增加苗木生物量; (2) 能够显著提高苗木的叶水势以增强水分利用率

提高苗木对肥料的利用效率

维持苗木的叶片叶绿素含量(SPAD)长期处于较高的数值。[结论] 复合缓释保水保肥材料能够显著促进苗木生长。

Abstract

[Objective] This paper aimed to understand the effects of a slow release fertilizer that was mainly made of super water and nutrients absorbent polymer compound on seeding growth

in order to find the suitable polymer compound for seedling growth. [Methods] An experiment with four treatments and one control of potted Honey locust tree experiment was carried out. The seedling growth and its physiological indexes were measured and analyzed. [Results] (1) The nutrient and super absorbent polymer compound significantly improved the ground diameter of seedlings

and also the leaf number

leaf area

the length of new tip shoot and the biomass of seedlings were also increased; (2) The compound significantly improved the leaf water potential which may potentially increase the water use efficiency and the nutrient use efficiency. Both may help to maintain a long period of higher seedling leaf chlorophyll content(SPAD) value. [Conclusion] The nutrient and super absorbent polymer compound can significantly promote seedling growth.

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references

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