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Position: Home > Articles > Improvement Effect of Barley on Saline-Alkali Shelter-forest Soil Protection Forest Science and Technology 2011 (4) 47-48

大麦对盐碱性防护林地改良效果分析

作  者:
金久宏;查永江;丁志娥
单  位:
浙江省杭州市萧山农业对外综合开发区管理委员会办公室;浙江省杭州市萧山区林业局
关键词:
大麦;盐碱;防护林地;改良;效果
摘  要:
通过盐碱性防护林地播种大麦的试验,结果表明:夏季高温干旱"返盐碱"期间,防护林地播种大麦,其土表(0~20 cm)层可溶性盐分和pH值分别比未实施播种大麦的平均降低0.9 g·kg-1和0.4;有机质、水解氮、有效磷和速效钾的平均含量分别比未实施播种大麦的增加5.4 g·kg-1、106.6 mg·kg-1、15.1 mg·kg-1和77.3 mg·kg-1,且土壤没有出现"返盐碱"(发白)现象;这种方法可有效防止盐碱地上营造的防护林在高温干旱季节土壤"返盐碱",改善林地的土壤条件,在实际工作中可推广应用。
译  名:
Improvement Effect of Barley on Saline-Alkali Shelter-forest Soil
作  者:
JIN Jiu-hong1,ZHA Yong-jiang2,DING Zhi-e2(1.Bureau of Forestry in Xiaoshan District,Hangzhou City,Zhejiang Prov.,Hangzhou 311203,China;2.Management Committee Office,Xiaoshan Agricultural Foreign Comprehensive Development Zone,Hangzhou City,Zhejiang Prov.)
关键词:
barley;saline-alkali;shelter-forest soil;improvement;effect
摘  要:
Through experiments of sowing barley on saline-alkali shelter-forest soil,result shows that during "return saline-alkali" period in summer with high temperature & drought,soluble salt & pH value in the soil surface(0-20 cm) layer on shelter-forest soil planted with barley are average 0.9 g·kg-1 & 0.4 lower respectively than that on shelter-forest soil planted without barley;average contents of organic matter,hydrolysis nitrogen,available phosphorus & available potassium are respectively 5.4 g·kg-1,106.6 mg·kg-1,15.1 mg·kg-1 & 77.3 mg·kg-1 higher than that in the soil of shelter-forest planted without barley;soil doesn't appear " return saline-alkali "(white) phenomenon;this method can effectively prevent " return saline-alkali "of shelter-forest afforested on saline-alkali soil in high temperature & drought season and improve forest soil conditions;it should be popularized in actual work.

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