Rember Pinedo-Taco, Tulio Olivas-Alvarado, G. Rodríguez-Soto, V. Castro-Cepero
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引用次数: 1
摘要
马铃薯(Solanum tuberosum L.)是一种对施肥要求很高的作物,其生产力也取决于所使用的品种、环境条件、土壤肥力和作物管理。本试验旨在探讨氮磷肥源互作对马铃薯产量的影响。建立随机区组设计,采用3×3因子排列,9个处理,4次重复。采用硝酸铵(AN)、硫酸铵(AS)和尿素三种氮肥源对籼稻品种nia -303 Canchan进行了评价。磷源为磷酸一铵(MAP)、磷酸二铵(DAP)和三元过磷酸钙(TSP)。研究了总产量、商品产量、单株块茎数和单株块茎重。不同土壤条件和气候条件下,干参品种INIA-303对氮磷肥组合均表现出正向响应。AN+DAP组合的单株块茎总产量、商品产量、单株块茎数和单株块茎质量最高(P<0.01)。在马铃薯品种INIA-303上施用AN+DAP、AS+MAP和AN+MAP,推荐产量在32.45 ~ 33.98 t ha-1之间
Effect of nitrogen and phosphorus fertilization sources on the potato crop yield (Solanum tuberosum L.)
Potato (Solanum tuberosum L.) is a demanding crop regarding fertilization practices, and its productivity also depends on the variety used, environmental conditions, soil fertility, and crop management. The aim of this study was to investigate the effect of the interaction of nitrogen and phosphorus fertilization sources on potato crop yield. A randomized block design with a 3×3 factorial arrangement, nine treatments, and four repetitions was established. INIA-303 Canchan was the variety evaluated using three nitrogen fertilization sources: ammonium nitrate (AN), ammonium sulfate (AS), and urea. Also, three phosphorus sources were used: monoammonium phosphate (MAP), diammonium phosphate (DAP), and triple superphosphate (TSP). Total yield, commercial yield, tuber number per plant, and tuber weight per plant were studied. INIA-303 Canchan variety showed positive responses to the combinations of nitrogen and phosphorus fertilization according to the soil and climate conditions where the research was carried out. AN+DAP was the combination with the highest total yield, commercial yield, number, and weight of tubers per plant (P<0.01).The fertilization mixtures of AN+DAP, AS+MAP, and AN+MAP, applied on the INIA-303 Canchan potato variety, can be recommended to achieve yields between 32.45 t ha-1 and 33.98 t ha-1
期刊介绍:
La Revista Facultad Nacional de Agronomía Medellín (RFNA), de la Universidad Nacional de Colombia, Sede Medellín, Facultad de Ciencias Agrarias, es una publicación científica editada desde el año 1939, en formato impreso y digital y de acceso abierto desde la web —sin costo para autores y lectores—. Está orientada a investigadores que crean conocimiento disciplinar y multidisciplinar que articula la ciencia y la tecnología para hacer más productivo el campo a nivel empresarial y de economía campesina. La Revista tiene como objetivo divulgar resultados de investigación mediante artículos originales, inéditos y arbitrados (peer review) de carácter científico que respondan a preguntas específicas y que proporcionen sustento y pruebas a una hipótesis, en aspectos relacionados con las Ciencias Agronómicas, Producción animal, Ciencias Forestales, Ingeniería Agrícola, de Alimentos y otras afines que contribuyan a la solución de los limitantes del agro a nivel nacional, regional e internacional. La Revista recibe y publica, sin ningún costo, artículos en idioma inglés de investigación, revisión, reseñas y cartas al editor. Desde el 2017 la periodicidad de publicación es cuatrimestral, se publican tres números al año con circulación nacional e internacional, en los siguientes períodos: Enero - Abril Mayo - Agosto Septiembre - Diciembre This journal does not charge APCs or submission charges.