Влияние на микропластмаси, вермикомпост и зеолит върху микрофлората на почви с различни физични свойства
Йонита Перфанова
, Катерина Донева
, Милена Керчева
, Христо Вълчовски
Резюме: Изследвано е влиянието на примеси с различен състав и произход - неорганичен (микропластмаси), органичен (вермикомпост) и минерален (зеолит) върху микрофлората и физичните условия в два вида почва. Проведен е лабораторен експеримент с почвени проби, взети от повърхностния слой 0-20 cm на Делувиално-ливадна почва (Vertic Phaeozem) с тежък механичен състав (clay) от затревената площадка в опитно поле Горни Лозен и на Кафява горска почва (Haplic Cambisol) със среден механичен състав (loam) от обработваема площ в опитната станция по картофите в Самоков. Концентрацията на примесите е 10% от масата на пробата. Определено е количеството на основни групи почвени микроорганизми – амонифициращи и целулозоразлагащи микроорганизми, бактерии усвояващи минерален азот, актиномицети и микроскопични гъби. Анализирани са промените във водозадържащата способност на смесите. Установено е, че разпространението на почвените микроорганизми се влияе по различен начин от внесените примеси в изследваните почвени различия.
Ключови думи: тежка и средна по механичен състав почви; микрофлора; микропластмаси; вермикомпост; зеолит
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| Дата на публикуване: 2024-06-25
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