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浅析山西省土壤肥力动态变化趋势

作  者:
乔红进;周霁;王曰鑫
单  位:
山西省农业厅土壤肥料工作站;山西农业大学
关键词:
土壤;养分;监测;动态变化;腐植酸类肥料
摘  要:
根据近年来山西省土壤肥力动态监测数据,土壤中有机质呈不断下降的趋势,而全氮、碱解氮、速效磷、速效钾则表现上升趋势。土壤养分的这种变化趋势反映出近年来许多农民都以施用化肥为主,施有机肥的数量在逐年减少,长此下去,这将会导致土壤肥力整体贫瘠化,值得引起大家的重视。
译  名:
Trends of Dynamic Changes of Soil Fertility in Shanxi Province
作  者:
Qiao Hongjin1, Zhou ji1, Wang Yuexin2(1 Station of Soil and Fertilizer, Shanxi Agricultural Department, Taiyuan, 030001 2 Shanxi Agricultural University, Taigu, 030801)
关键词:
soil; nutrient; monitor; dynamic change; humic acid fertilizer
摘  要:
According to the dynamic monitoring data for soil fertility of late years in Shanxi, soil organic matter was in a downtrend, but total nitrogen, alkali-degradation nitrogen, available P, K show a upward tendency. This change tendency of soil nutrients re? ects that many farmers are mainly applying chemical fertilizers currently, the number of organic fertilizers was reducing yearly. It will lead to the exhaustion of the soil fertility as a whole if the situation is holding up, which deserves everyone's attention.

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