CAJ | 학술논문

作为元阳水稻梯田农业生态系统可持续性评价的一部分,本文调查了箐口流域梯地的自然生物环境,评价了农业土壤的土壤肥力,采用地质—地貌—土壤信息相结合的方法建立了土壤—景观之间的组合模式.研究确定了人为、气候、地形因素为影响土壤形成的主要因素,评价了土壤潜在生产力以及相关的限制因子,并根据FAO体系,确定并划分了主要的土壤类型.研究结果表明:土壤肥力的空间分布相当均一；土壤属酸性,阳离子代换量和养分储量总体较低；农业生态系统在较大程度上受哈尼群众人为活动的影响,成功维持了相对活跃的养分循环系统.目前的研究集中在:(1)本研究区域在整个哈尼梯田系统中的代表性评价；(2)田间水平上的养分循环研究；(3)土壤特性对作物产量的影响；(4)将田间水平的研究结果应用于更大的空间单元.
작위원양수도제전농업생태계통가지속성평개적일부분,본문조사료정구류역제지적자연생물배경,평개료농업토양적토양비력,채용지질—지모—토양신식상결합적방법건립료토양—경관지간적조합모식.연구학정료인위、기후、지형인소위 영향토양형성적주요인소,평개료토양잠재생산력이급상관적한제인자,병근거FAO체계,학정병화분료주요적토양류형.연구결과표명:토양비력적공간분포상당균일；토양속산성,양리자대환량화양분저량총체교저；농업생태계통재교대정도상수합니군음인위활동적영향,성공유지료상대활약적양분순배계통.목전적연구집중재:(1)본연구구역재정개합니제전계통중적대표성평개；(2)전간수평상적양분순배연구；(3)토양특성대작물산량적영향；(4)장전간수평적연구결과응용우경대적공간단원.
As a contribution to a long-term evaluation of the sustainability of agro-ecosystems in the Yuanyang rice terraces,this paper reviews the bio-physical environment of the terraced landscape in a small catchment around Qingkou village and assesses soil fertility in the village crop growing area.A soillandscape organization pattern was developed using a geomorphopedological approach.Anthropogenic,climatic and topographic factors were identified as the main soil forming factors.Soil capability and associated edaphic constraints were assessed and the main soil types were identified and classified using FAO protocols.Spatial patterns of soil fertility appear quite homogeneous.Soils are acid and cation exchange capacity and nutrient reserves are generally low.The agro-ecosystem has largely been developed by the Hani population.This agro-ecosystem has succeeded in maintaining a relatively dynamic nutrient circulation system.Current research is focusing on:(i)the evaluation of the representativeness of the studied area compared to the whole terraced system in the Yuanyang terraced landscape;(ii)measurements of nutrients flows at the field scale;(iii)the effects of soil properties on crop yields; and(iv)up-scaling field levels results to larger spatial units.