干旱条件下植物营养综合管理对春大麦(hord vulgáre)产量和生产力相关指标的影响

Q3 Agricultural and Biological Sciences

Revista Facultad Nacional de Agronomia Medellin Pub Date : 2022-05-01 DOI:10.15446/rfnam.v75n2.97384

Yevheniia Hladkikh, Olesia Sіabruk, A. Revtie-Uvarova, V. Smychenko

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引用次数: 0

摘要

世界农业生产越来越容易受到极端天气条件的影响，但由于缺乏涵盖相关植物营养管理问题的综合解决方案和方法，以及技术机制和工具，对这种条件的适应仍然受到影响。本研究旨在探讨不同施肥制度对干旱生长条件下春大麦产量指标和生产力的影响，确定产量指标与大麦生产力的相关性，形成干旱条件下春大麦的施肥策略。2018年，在黑土型土壤(黑土)长期研究性田间试验的基础上，在一个小地块上分6个重复进行了两次单独的田间试验。作为植物营养综合管理系统的组成部分，采用矿质肥和胁迫保护剂的组合施用(种子接种和叶面处理)，以及不同深度(10-12 cm、20-22 cm和两个深度同时)局部施用矿质肥。综合植物养分管理系统的应用提高了叶绿素含量、叶片含水量和籽粒产量。综合肥料管理的这些好处导致了粮食产量的显著提高。胁迫保护剂对植物叶面处理的速率为1.0 L ha-1(每个生长季节1次)或0.5 L ha-1(每个生长季节2次)和矿质肥料深度定位(深度为20-22厘米)时，该指标的最大值被注意到。大麦组织中叶绿素和结合水的含量与大麦产量密切相关，可以作为判断植物对干旱生长条件抗性的指标。

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Effect of integrated plant nutrient management on indicators related to yield and productivity of spring barley (Hordéum vulgáre) under drought conditions in the growing season

The agricultural production of the world is becoming increasingly vulnerable to extreme weather conditions, but adaptation to such conditions still suffers from a lack of integrated solutions and approaches that should cover relevant plant nutrition management issues, as well as technological mechanisms and tools. This study aimed to investigate the impact of fertilizer systems on yield indicators and the productivity of spring barley under arid growing conditions and determine the correlation between yield indicators and barley productivity to form a fertilization strategy for this crop under drought conditions. Two separate field experiments were conducted in 2018 in a small plot in six replications based on a long-term research field experiment on chernozem-type soil (black soil). As components of an integrated plant nutrient management system, the combined application of mineral fertilizers and stress protectors was used (for seed inoculation and foliar treatment), as well as the local application of mineral fertilizers at different depths (10-12 cm, 20-22 cm and at two depths simultaneously). The application of components of an integrated plant nutrient management system increased the chlorophyll content, leaf water content, and grain yield. These benefits of integrated fertilizer management led to significant improvement in grain yield. The maximum values of this indicator were noted for foliar treatment of plants by a stress protector at a rate of 1.0 L ha-1 (once per growing season) or 0.5 L ha-1 (twice per growing season) and for deep localization of mineral fertilizers (to a depth of 20-22 cm). The content of chlorophyll and bound water in the tissues of barley plants can be used as an indicator to determine the resistance of plants to arid growing conditions since these physiological characteristics are closely correlated with the yield of barley.

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来源期刊

Revista Facultad Nacional de Agronomia Medellin Agricultural and Biological Sciences-Agricultural and Biological Sciences (miscellaneous)

CiteScore

1.30

自引率

0.00%

发文量

审稿时长

16 weeks

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.