Effects of Aluminum Sulfate and Organic Materials on Organic Carbon Composition and Complex in Saline-alkali Soils

LIU Xiangyu; WANG Liqun; WANG Hongbin; ZHAO Xingmin; HUANG Ning; SONG Hao; CHENG Shirong

doi:10.13870/j.cnki.stbcxb.2022.05.047

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Effects of Aluminum Sulfate and Organic Materials on Organic Carbon Composition and Complex in Saline-alkali Soils

更新时间：2025-03-12

- Effects of Aluminum Sulfate and Organic Materials on Organic Carbon Composition and Complex in Saline-alkali Soils
- Vol. 36, Issue 5, Pages: 387-392(2022)
- 作者机构：
  
  吉林农业大学资源与环境学院, 吉林省商品粮基地土壤资源可持续利用重点实验室,长春,130118
- 作者简介：
- 基金信息：
- DOI：10.13870/j.cnki.stbcxb.2022.05.047
  CLC： S153.6;S156.4
- Published：2022
- 稿件说明：
移动端阅览
LIU Xiangyu, WANG Liqun, WANG Hongbin, et al. Effects of Aluminum Sulfate and Organic Materials on Organic Carbon Composition and Complex in Saline-alkali Soils[J]. 2022, 36(5): 387-392.
DOI：

LIU Xiangyu, WANG Liqun, WANG Hongbin, et al. Effects of Aluminum Sulfate and Organic Materials on Organic Carbon Composition and Complex in Saline-alkali Soils[J]. 2022, 36(5): 387-392. DOI： 10.13870/j.cnki.stbcxb.2022.05.047.

摘要

通过进行实验室室内培养试验

以盐碱土为研究对象

添加不同梯度有机物料(10

60 t/hm2)和同一硫酸铝添加量(0.2 t/hm2)

研究硫酸铝和有机物料对盐碱土有机碳组成及复合体的影响。结果表明:施用硫酸铝和有机物料能够显著提高有机碳含量及活性有机碳含量。在施用硫酸铝且有机物料施用量为30 t/hm2时

微生物碳增长趋势开始减缓

土壤微生物商值到达峰值

Kos值与其他处理相比最低;硫酸铝和有机物料的施用可以促进土壤中粒级由小向大聚集

同时使各粒级复合体内有机碳含量增加

在有机物料施用量为30 t/hm2时

可以明显看出土壤结构变化。即在施用硫酸铝且有机物料施用量为30 t/hm2时

既能够有效提高盐碱土土壤肥力

又能改善土壤结构

能够经济合理地改良培肥盐碱地。

Abstract

The effects of aluminum sulfate and organic materials on the composition and complex of organic carbon in saline-alkali soil were studied by laboratory culture experiments and adding different gradient organic materials (10

60 t/hm2) and the same amount of aluminum sulfate (0.2 t/hm2). The results showed that the organic carbon content and active organic carbon content could be significantly increased by applying aluminum sulfate and organic materials. When aluminum sulfate was applied and the amount of organic materials was 30 t/hm2

the growth trend of microbial carbon began to slow down

the soil microbial quotient reached the peak

and the Kos value was the lowest compared with other treatments. The application of aluminum sulfate and organic materials can promote the aggregation of soil particles from small to large

and at the same time increase the content of organic carbon in the composite body of each particle. When the application amount of organic materials is 30 t/hm2

the soil structure can be obviously changed. In other words

when aluminum sulfate is applied and the amount of organic materials is 30 t/hm2

the soil fertility and soil structure of saline-alkali soil can be improved effectively

and the saline-alkali soil can be improved economically and reasonably.

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