TY - JOUR AU - Kopiński, Jerzy AU - Wrzaszcz, Wioletta PY - 2020/12/30 Y2 - 2024/03/28 TI - Management of nutrients from mineral fertilizers in the Polish agriculture – selected issues JF - Polish Journal of Agronomy JA - pja VL - 43 IS - 43 SE - Artykuły DO - 10.26114/pja.iung.430.2020.43.02 UR - https://redakcjapja.iung.pl/index.php/pja/article/view/98 SP - 11-25 AB - <p><span style="left: 154.056px; top: 469.475px; font-size: 15px; font-family: serif; transform: scaleX(1.02305);">The paper presents the issue of nutrient management, </span><span style="left: 94.4882px; top: 487.475px; font-size: 15px; font-family: serif; transform: scaleX(1.00755);">such ingredients as N, P, K and Ca, in mineral and lime fertiliza</span><span style="left: 479.257px; top: 487.475px; font-size: 15px; font-family: serif;">-</span><span style="left: 94.4882px; top: 505.475px; font-size: 15px; font-family: serif; transform: scaleX(0.956257);">tion in the Polish agriculture. The analysis covered changes in </span><span style="left: 94.4882px; top: 523.475px; font-size: 15px; font-family: serif; transform: scaleX(0.999903);">the number and share of farms using mineral fertilization and the </span><span style="left: 94.4882px; top: 541.475px; font-size: 15px; font-family: serif; transform: scaleX(0.99555);">level of consumption of individual ingredients in mineral fertiliz</span><span style="left: 479.257px; top: 541.475px; font-size: 15px; font-family: serif;">-</span><span style="left: 94.4882px; top: 559.475px; font-size: 15px; font-family: serif; transform: scaleX(1.00642);">ers. The comparative analysis was based on individual farm data </span><span style="left: 94.4882px; top: 577.475px; font-size: 15px; font-family: serif; transform: scaleX(1.0045);">with 2007 and 2016 years. Spatial analysis was carried out at the </span><span style="left: 94.4882px; top: 595.475px; font-size: 15px; font-family: serif; transform: scaleX(1.04632);">level of voivodships (NUTS-2). The results indicated regional </span><span style="left: 94.4882px; top: 613.475px; font-size: 15px; font-family: serif; transform: scaleX(0.998827);">diversification in the management of mineral fertilisers. This dif</span><span style="left: 479.257px; top: 613.475px; font-size: 15px; font-family: serif;">-</span><span style="left: 94.4882px; top: 631.475px; font-size: 15px; font-family: serif; transform: scaleX(1.00393);">ferentiation is progressing, which was evidenced by the different </span><span style="left: 94.4882px; top: 649.475px; font-size: 15px; font-family: serif; transform: scaleX(1.02136);">pace of changes in the share of farms using mineral fertilization </span><span style="left: 94.4882px; top: 667.475px; font-size: 15px; font-family: serif; transform: scaleX(1.04633);">among voivodships. Nitrogen fertilizers are the most common </span><span style="left: 94.4882px; top: 685.475px; font-size: 15px; font-family: serif; transform: scaleX(1.03834);">type of mineral fertilizers, that was indicated by the number of </span><span style="left: 94.4882px; top: 703.475px; font-size: 15px; font-family: serif; transform: scaleX(0.995261);">farms applying this type of fertilizers. At the same time, lime fer</span><span style="left: 479.257px; top: 703.475px; font-size: 15px; font-family: serif;">-</span><span style="left: 94.4882px; top: 721.475px; font-size: 15px; font-family: serif; transform: scaleX(0.9492);">tilizers are very rarely used on individual farms. In this scope, </span><span style="left: 94.4882px; top: 739.475px; font-size: 15px; font-family: serif; transform: scaleX(1.02973);">there is also a wide, increasing regional diversity. According to </span><span style="left: 94.4882px; top: 757.475px; font-size: 15px; font-family: serif; transform: scaleX(1.00404);">the carried out analyses, the level of consumption of mineral fer</span><span style="left: 479.257px; top: 757.475px; font-size: 15px; font-family: serif;">-</span><span style="left: 94.4882px; top: 775.475px; font-size: 15px; font-family: serif; transform: scaleX(0.995196);">tilizers, especially nitrogen fertilizers in Poland, is mainly related </span><span style="left: 94.4882px; top: 793.475px; font-size: 15px; font-family: serif; transform: scaleX(0.987453);">to the intensity of crop production. The average fertilizer rates for </span><span style="left: 94.4882px; top: 811.475px; font-size: 15px; font-family: serif; transform: scaleX(1.01094);">Poland do not reflect the actual situation and changes in particu</span><span style="left: 479.257px; top: 811.475px; font-size: 15px; font-family: serif;">-</span><span style="left: 94.4882px; top: 829.475px; font-size: 15px; font-family: serif; transform: scaleX(0.998638);">lar voivodships. The consumption of mineral fertilizers is mainly </span><span style="left: 94.4882px; top: 847.475px; font-size: 15px; font-family: serif; transform: scaleX(1.00086);">dependent on the diversity of the area structure and the organiza</span><span style="left: 479.257px; top: 847.475px; font-size: 15px; font-family: serif;">-</span><span style="left: 94.4882px; top: 865.475px; font-size: 15px; font-family: serif; transform: scaleX(1.01318);">tional and economic level of agricultural holdings. The intensity </span><span style="left: 94.4882px; top: 883.475px; font-size: 15px; font-family: serif; transform: scaleX(0.964482);">of fertilization with fertilizing components increases simultane</span><span style="left: 479.257px; top: 883.475px; font-size: 15px; font-family: serif;">-</span><span style="left: 94.4882px; top: 901.475px; font-size: 15px; font-family: serif; transform: scaleX(0.937261);">ously with the size of agricultural holdings. This dependency is </span><span style="left: 94.4882px; top: 919.475px; font-size: 15px; font-family: serif; transform: scaleX(0.989468);">described by the second-degree polynomial equation. The highest </span><span style="left: 94.4882px; top: 937.475px; font-size: 15px; font-family: serif; transform: scaleX(1.0096);">doses of macronutrients in mineral fertilizers have been used for </span><span style="left: 94.4882px; top: 955.475px; font-size: 15px; font-family: serif; transform: scaleX(1.01081);">many years in south-western and western Poland, and the small</span><span style="left: 479.257px; top: 955.475px; font-size: 15px; font-family: serif;">-</span><span style="left: 94.4882px; top: 973.475px; font-size: 15px; font-family: serif; transform: scaleX(1.01548);">est, with a few exceptions, in the east of the country. The results </span><span style="left: 94.4882px; top: 991.475px; font-size: 15px; font-family: serif; transform: scaleX(0.941161);">of the studies indicate that organizational factors (related to the </span><span style="left: 94.4882px; top: 1009.48px; font-size: 15px; font-family: serif; transform: scaleX(1.03015);">farms` area) are an equally strong determinant of the consump</span><span style="left: 479.257px; top: 1009.48px; font-size: 15px; font-family: serif;">-</span><span style="left: 94.4882px; top: 1027.48px; font-size: 15px; font-family: serif; transform: scaleX(0.996467);">tion of fertilizing components as well as the location of the farms </span><span style="left: 94.4882px; top: 1045.48px; font-size: 15px; font-family: serif; transform: scaleX(1.00042);">(geographical, administrative).</span></p> ER -