CAJ | 학술논문

利用1981—2011年间江阴市土壤养分含量的长期跟踪监测数据,分析传统施肥和测土配方施肥对土壤肥力的影响。结果表明,氮肥多、磷钾肥少的传统施肥习惯导致江阴市长期土壤磷、钾含量缺乏和氮肥的大量浪费;实施测土配方施肥以来,江阴市2011年土壤有效磷、速效钾、有机质的平均含量比2007年分别提高了84.5%、45.7%、6.6%,土壤全氮含量比2007年下降5.6%。
이용1981—2011년간강음시토양양분함량적장기근종감측수거,분석전통시비화측토배방시비대토양비력적영향。결과표명,담비다、린갑비소적전통시비습관도치강음시장기토양린、갑함량결핍화담비적대량낭비;실시측토배방시비이래,강음시2011년토양유효린、속효갑、유궤질적평균함량비2007년분별제고료84.5%、45.7%、6.6%,토양전담함량비2007년하강5.6%。
Based on observed data of soil fertility in Jiangyin City from 1981 to 2011,the effects of traditional fertilization and soil testing and formulated fertilization on soil fertility were analyzed.The results indicated that the traditional method of fertilization not only caused the deficiency of phosphorus and potassium but also the waste of nitrogen fertilizer.After the implementation of soil testing and formulated fertilization in Jiangyin,soil available phosphorus,soil available potassium and soil organic matter increased by 84.5%,45.7% and 6.6% respectively,soil total nitrogen decreased by 5.6%.