【摘要】 土壤酸化已经成为制约湖南省农业可持续发展的一个重要因素。通过对比湖南省第二次土壤普查和近年(2006～2010年)测土配方施肥的土壤资料及7个县(市、区)的实地调查资料,分析了湖南耕地土壤的酸化现状、成因及其带来的影响,调查发现湖南省耕地土壤酸化明显,严重影响了农业发展。基于此,从耕地质量的技术层面和管理层面提出了改良酸化土壤的对策,建议结合改良技术与管理措施,因地制宜地治理土壤酸化。更多还原

【Abstract】 Soil acidification as an important factor has restricted the sustainable development of agriculture in Hunan Province.To compare the datum from the Second General Detailed Soil Survey in Hunan Province with the soil datum from soil testing and fertilizer recommendation in recent years(2006～2010) and the field survey datum from seven counties(city,district),the status quo,the causes and the influences of arable land acidification in Hunan Province were analyzed.The results indicated that the arable land acidification in Hunan Province is more and more obvious,which influences the development of agriculture seriously.Therefore,some countermeasures for improving the quality of the acidified soil were proposed from the technical level and management level.It was suggested combined with improvement technique and management measures to control soil acidification according to local conditions.This study can provide some references for preferably improving the acid soil in the future.更多还原