CAJ | 학술논문

压差施肥是目前滴灌上应用最普遍的一种灌溉施肥技术，具有广阔的应用前景。按照施肥时肥料的运动过程，从压差施肥装置的水力性能、滴灌水肥点源入渗、田间水肥施用管理3个方面，对滴灌压差施肥研究现状进行了总结，并指出研究存在的问题。分析认为未来的研究应进一步突出压差施肥特点，尤其是把握浓度衰减的特征，在此条件下研究施肥器的水力性能和点源入渗规律，制定合适的灌溉施肥制度，使压差施肥技术的研究更系统、全面。为滴灌压差施肥技术的研究和推广提供一定借鉴。
압차시비시목전적관상응용최보편적일충관개시비기술，구유엄활적응용전경。안조시비시비료적운동과정，종압차시비장치적수력성능、적관수비점원입삼、전간수비시용관리3개방면，대적관압차시비연구현상진행료총결，병지출연구존재적문제。분석인위미래적연구응진일보돌출압차시비특점，우기시파악농도쇠감적특정，재차조건하연구시비기적수력성능화점원입삼규률，제정합괄적관개시비제도，사압차시비기술적연구경계통、전면。위적관압차시비기술적연구화추엄제공일정차감。
As one of the most popular fertilization methods in drip irrigation ,the pressure differential fertilization has wide application prospects .As we know ,the course of the fertilizer movement can be divided into three stages ,namely ,its movement in irrigation system ,in soil and in plants in the field .So in this paper ,research on the pressure differential fertilization is done around three parts closely ,including the hydraulic performance of pressure differential fertilization device ,the point source infiltration law of fertilizer solution and the management of irrigation and fertilization in the field ..And there is little research on the pressure differential fertili-zation ,especially a systematic study ,so a comprehensive study should be made .In fact ,more attention should be given to the prom-inent features of the pressure fertilization ,especially the characteristics of the composition decreases ,based on these features ,re-search is done on hydraulic performance or point source infiltration law can be carried out and an appropriate system of irrigation and fertilization can be studied .This paper would provide some technical support for the research on the pressure differential fertilization of drip irrigation .