脱硫石膏对植物和土壤的影响

doi:10.11923/j.issn.2095-4050.cjas15030002

摘要/Abstract

摘要： 煤炭燃烧产生二氧化碳、氧化硫、氧化氮和各种副产物，包括粉煤灰，燃煤烟气，沉淀物等。脱硫石膏是以钙基物质作为吸收剂，将SO2以硫酸钙的形式固定下来，最终生成的一种烟气脱硫副产物。脱硫石膏因其含有丰富的必需元素，尤其硼和硫元素含量丰富，影响着植物体的生长和土壤的物理化学性质，使得脱硫石膏在农业上的应用得到了广泛发展。笔者简要概述了脱硫石膏的性质，及其对环境的影响，尤其现阶段脱硫石膏在盐碱地改良中的应用。大量的田间试验表明脱硫石膏在农业生产中是有效而且安全的土壤改良剂，但是缺乏和过量施用脱硫石膏引起的生物学过程和相互作用还有待研究。

关键词: 玉米, 玉米, 杂交组合, 农艺性状, 相关分析, 通径分析, 主成分分析

Abstract: Coal combustion produces carbon dioxides, SOx, NOx and a variety of byproducts such as coal ash, flue gas, precipitate and so on. Flue gas desulphurization gypsum used calcium-based material as absorbent, fixed SO2 in the form of calcium sulphate, eventually produced a kind of flue gas desulfurization byproducts. Flue gas desulphurization gypsum could affect the physicochemical characteristics of soil and plant because it had rich essential elements, especially B and S, so flue gas desulphurization gypsum had wide application in agriculture. The author summarized the characteristics of flue gas desulphurization gypsum and its effects on environment, especially the application in saline soil improvement. Flue gas desulphurization gypsum, which is an effective and safe soil conditioner in agricultural production, has been verified by a lot of field experiments, but the biological process and interaction of lack and excessive application of flue gas desulphurization gypsum need further research.

中图分类号:

S156.4

王静,肖国举,许兴. 脱硫石膏对植物和土壤的影响[J]. 农学学报, 2015, 5(11): 44-48.

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