摘要
目前福建省山地丘陵地区农地土壤存在不同程度退化,有机质普遍不高,利用类型为果园的土壤有机质多呈贫瘠化;全氮和全钾贫瘠化最为严重;全磷、有效磷在熟化度较低的土壤如新果园土壤呈明显贫瘠化,有效钾在闽北闽东南都未呈贫瘠化.针对造成贫瘠化灾害的主要动力机制,应分别采取以下措施进行防治:生物措施与工程措施相结合;合理间作套种,合理轮作换茬,发展各种水土保型持续耕作制度和模式;增施有机肥,平衡施肥;严禁乱砍乱伐,保护林地生态系统等.
At present,there are kinds of different impoverishment to farmland soil in Fujian whose organic matter is not high especially the orchard soil,nitrogen and potassium is most serious,phosphorus and available phosphorus is apparently impoverished in some low Fertilizer soil such as the new fruit soil,while available potassium sees no impoverishment.Aiming at the main dynamic motivation of impoverishment,different countermeasures should be adopted:the combination of engineering method and biologic methods;rational intercropping and continuous cropping;developing all kinds of farming system for water and soil conservation;applying organic fertilizer and balanced fertilization;forbiddance to slash wood and protection forest ecosystem and so on.
出处
《太原师范学院学报（自然科学版）》
2005年第2期78-81,共4页
Journal of Taiyuan Normal University:Natural Science Edition
关键词
农地
土壤
贫瘠化
福建省
farmland
soil
impoverishment
Fujian
