Evaluation of conventional and integrated application of liquid fertilisers and plant protection agents in winter wheat cultivation

H. Sztuder, S. Straczyński
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引用次数: 3

Abstract

Summary . In the study a comparison was made of conventional and integrated application of liquid nitrogen fertilisers (ammonium nitrate, urea, ammonium nitrate-urea solution (ANUS)) and plant protection agents (full dose and reduced dose) through the determination of their effects in terms of production, ecological and economic criteria. Yields of winter wheat grain varied in relation to the type of nitrogen fertilisers and the technique of their application. Foliar application of nitrogen in the form of water solution of urea caused a significant increase in the yields of winter wheat grain and was conducive to a reduction in the content of mineral forms of nitrogen in the soil. On the other hand the reduced dose of plant protection agents, applied conventionally and in conjunction with liquid fertilisers, had no effect on the level of grain yields. In the study, the method of integrated application of fertilisers and plant protection agents proved to be more profit-able compared to the conventional method
冬小麦栽培中常规与综合施用液肥和植保剂的评价
总结。在本研究中,通过从生产、生态和经济标准等方面对常规和综合施用液氮肥料(硝酸铵、尿素、硝酸铵-尿素溶液)和植保剂(全剂量和减剂量)的效果进行了比较。冬小麦籽粒产量因氮肥种类和施用技术的不同而不同。叶面施尿素水溶液态氮可显著提高冬小麦产量,并有利于降低土壤中氮素的矿质形态含量。另一方面,减少常规施用的植物保护剂剂量并与液体肥料一起施用,对粮食产量水平没有影响。在研究中,与传统方法相比,化肥和植保剂综合施用的方法更有利可图
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