临安市主要农地土壤酸化特征及其改良技术探讨

doi:10.11923/j.issn.2095-4050.cjas15100001

农学学报 ›› 2016, Vol. 6 ›› Issue (3): 21-26.doi: 10.11923/j.issn.2095-4050.cjas15100001

• 土壤肥料资源环境生态 • 上一篇下一篇

临安市主要农地土壤酸化特征及其改良技术探讨

阮弋飞,邬奇峰,张丹,楼中,谢国雄

临安市农技推广中心,临安市农技推广中心,杭州市植保土肥总站,临安市农技推广中心,杭州市植保土肥总站

收稿日期:2015-10-02 修回日期:2015-11-04 接受日期:2015-11-25 出版日期:2016-03-28 发布日期:2016-03-28
通讯作者: 谢国雄 E-mail:xgx1000
基金资助:
测土配方施肥补贴项目（浙农计发[2008]16 号）

Farmland Soil Acidification in Linan City and Its Improvement Technology

谢国雄

Received:2015-10-02 Revised:2015-11-04 Accepted:2015-11-25 Online:2016-03-28 Published:2016-03-28

摘要/Abstract

摘要： 全面了解浙江省临安市农地土壤酸化状况，为防治土壤酸化措施的制定提供依据，本研究结合耕地地力调查，系统地分析了全市不同利用类型农地土壤的酸化趋势与酸化特征。调查结果表明：在自然与人为活动的双重影响下，临安市农地土壤酸化十分明显，pH＜4.5 的强酸性土壤和pH 4.5~5.4 之间的酸性土壤的比例已分别占23.4%和46.6%，其中以茶树、蚕桑和雷竹产业带土壤的酸为最明显。与1982年调查比较，农地土壤pH普遍呈现下降趋势。分析认为，过量施肥和酸雨是引起该市农地土壤酸化的主要原因。为防控该市农地土壤的进一步酸化，笔者认为除做好合理施肥工作外，应借鉴国内外经验，从推广无机改良技术、有机改良技术、生物修复技术和施用生物质炭等多方面对农地土壤酸化进行控制与改良修复。

Abstract: In order to understand the farmland soil acidification situation in Lin'an City of Zhejiang Province, and provide basis for soil acidification control, the trend and characteristics of soil acidification of different types of farmland in Lin'an were systematically analyzed based on the soil fertility survey. The results showed that the double effect of both natural and human activities had caused obvious farmland acidification in Lin'an. The proportion of strongly acidic soil (pH＜4.5) and acidic soil (pH 4.5- 5.4) was 23.4% and 46.6% , respectively. The soil used for tea, mulberry and bamboo production showed the most obvious acidification, the farmland in Lin'an was severely acidified compared with the data obtained in 1982. Excessive fertilization and acid rain were major causes of farmland soil acidification. In order to prevent further acidification, in addition to rational application of fertilizers, it was necessary to learn experiences from both home and abroad, and take methods, such as inorganic improvement technology, organic improvement technology, bioremediation technology and biochar application, for farmland soil acidification control and improvement.

中图分类号:

阮弋飞,邬奇峰,张丹,楼中,谢国雄. 临安市主要农地土壤酸化特征及其改良技术探讨[J]. 农学学报, 2016, 6(3): 21-26.

谢国雄. Farmland Soil Acidification in Linan City and Its Improvement Technology[J]. Journal of Agriculture, 2016, 6(3): 21-26.

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临安市主要农地土壤酸化特征及其改良技术探讨

Farmland Soil Acidification in Linan City and Its Improvement Technology

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