Influence of the UAN Fertilizer Application on Quantitative and Qualitative Changes in Semi-Natural Grassland in Western Carpathians
نویسندگان
چکیده
Semi-natural grasslands are particularly important in mountainous areas of Romania, being the only source forage for many farmers. The aim this study was to investigate changes quantity and quality as a result Urea Ammonium nitrate (UAN) liquid fertilization. experiment carried out eastern part Apuseni Mountains, Romania on Festuca rubra L.-Agrostis capillaris L. grassland located at 1240 m altitude. Studies were made over three years experimental trial (2014–2016) covered four plots replicates, follows: V1–control plot, unfertilized; V2–plot fertilized with 50 kg UAN ha?1 year?1; V3–plot 75 year?1, V4–plot 100 year?1. harvested once per year botanical composition, dry matter yield assessed. Our results showed quantity, diversity Starting from second dominance/co-dominance ratio changed favoring species Poaceae family. Dry increased fertilization but negatively affected by higher percentage participation other families which have crude fiber content lower protein. Based our we recommend moderate up year?1 semi-natural soil-climatic conditions similar those experiment.
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ژورنال
عنوان ژورنال: Agronomy
سال: 2021
ISSN: ['2156-3276', '0065-4663']
DOI: https://doi.org/10.3390/agronomy11020267