摘要
选择亿鼎土壤调理剂、硅钙钾镁肥、木本泥炭3种土壤调理剂,采用酸性土壤进行盆栽试验,探究光照培养箱内不同土壤调理剂施用量(1.3 g·kg^-1和13 g·kg^-1)对土壤砷的钝化效果及芝麻菜砷吸收的影响。结果表明:施用13 g·kg^-1亿鼎土壤调理剂、硅钙钾镁肥可显著提高土壤pH,而施用13 g·kg^-1木本泥炭显著提高了土壤有机碳含量。施加1.3 g·kg^-1木本泥炭时,土壤中有效态砷含量显著降低了5.17%。与不添加任何土壤调理剂的对照相比,3种土壤调理剂均能促进芝麻菜生长,施用1.3 g·kg^-1亿鼎土壤调理剂时芝麻菜地上部鲜质量最大,相比对照显著增加了51.3%,且施用土壤调理剂均能显著降低芝麻菜地上部的砷含量。
Excessive manure application in vegetable protected fields may cause arsenic(As)accumulation in soil.Optimum soil conditioner application can inhibit As uptake by plant and achieve safe vegetable production.This study selected 3 kinds soil conditioner,including Yiding soil conditioner(YC),compound fertilizer of calcium silicon magnesium potassium(CSMP),woody peat(WP);conducted a pot experiment by acid soil to investigate the influences of different applying rates(1.3 g·kg^-1 and 13 g·kg^-1)on soil As stabilization effect and As uptake by Eruca sativa Mill.var.sativa.Results showed that the application of 13 g·kg^-1 YC and CSMP could significantly increase soil pH,while the application of 13 g·kg^-1 WP could significantly increase the soil organic carbon content.The application of 1.3 g·kg^-1 WP could significantly decrease the As content by 5.17%in soil.Compared with the control treatment without adding any soil conditioner,these 3 soil conditioners could promote the growth of Eruca sativa Mill.var.sativa.YC application at the rate of 1.3 g·kg^-1 could obtain the highest shoot fresh weight of Eruca sativa Mill.var.sativa,which was significantly increased by 51.3%.Additionally,the application of all soil conditioners could remarkably decrease the As contents in shoot of Eruca sativa Mill.var.sativa.
作者
唐若桐
李革伟
孙润泽
樊秉乾
陈清
TANG Ruo-tong;LI Ge-wei;SUN Run-ze;FAN Bing-qian;CHEN Qing(Beijing Key Laboratory for Controlling&Renovating Soil Pollution in Farm Land,College of Resources and Environmental Sciences,China Agricultural University,Beijing 100193,China;Erdos Yiding Ecological Agriculture Development Co.,Ltd.,Erdos 017419,Inner Mongolia,China)
出处
《中国蔬菜》
北大核心
2020年第5期48-53,共6页
China Vegetables
基金
现代农业产业技术体系专项(CARS-23-B16)。
关键词
砷
土壤调理剂
芝麻菜
酸性土壤
PH
Arsenic
Soil conditioner(As)
Eruca sativa Mill.var.sativa
Acid soil
pH
