Potassium regime of irrigated chernozems in various agrotechnical backgrounds
dc.contributor.author | Tsurkan, Oksana I. | |
dc.contributor.author | Burykina, Svetlana | |
dc.contributor.author | Suhorukova, Galyna S. | |
dc.contributor.author | Bilanchyn, Yaroslav M. | |
dc.contributor.author | Piatkova, Alla V. | |
dc.contributor.author | Leah, Tamara | |
dc.contributor.author | Цуркан, Оксана Іванівна | |
dc.contributor.author | Біланчин, Ярослав Михайлович | |
dc.contributor.author | Цуркан, Оксана Ивановна | |
dc.contributor.author | Биланчин, Ярослав Михайлович | |
dc.contributor.author | П'яткова, Алла Вікторівна | |
dc.contributor.author | Пяткова, Алла Викторовна | |
dc.date.accessioned | 2019-08-21T06:04:44Z | |
dc.date.available | 2019-08-21T06:04:44Z | |
dc.date.issued | 2018 | |
dc.description.abstract | The study analyses the changes of the fractional composition of potassium of the main soils of southern Ukraine – ordinary chernozem and southern chernozem under influence of irrigation and fertilization systems. The research was conducted in two stationary experiments, laid on chernozem ordinary (11-year of crop rotation) and on chernozem south (3-year multifactorial experiment). It is established that under the influence of irrigation in ordinary chernozem the sum of groups of potentially available potassium in a layer of 0-30 cm increases by 40.3 and 57.5% in comparison with rainfed conditions. The content of exchangeable potassium in chernozem usually varies considerably depending on the soil moisture (r = - 0.80). The norm of fertilizers – manure 200 t/ha + N200P200K60, introduced under the basic cultivation of the first crop rotation, in the aftermath after 11th year provides a positive balance of exchangeable potassium in ordinary chernozem even with a decrease in the initial content in 2.1 times. In the southern chernozem, the total amount of potentially available potassium is much lower than in chernozem ordinary: 19.0% in the layer 0-30 cm and from 45.5 to 52.6% with a depth of 120 cm. The distribution of the depth and direction of irrigation and fertilizer systems are similar to those of ordinary chernozem. | uk_UA |
dc.identifier.citation | Scientific Papers Series Management, Economic Engineering in Agriculture and Rural Development | uk_UA |
dc.identifier.uri | https://dspace.onu.edu.ua/handle/123456789/25032 | |
dc.language.iso | en | uk_UA |
dc.relation.ispartofseries | ;Vol. 18, issue 4. | |
dc.subject | ordinary chernozem | uk_UA |
dc.subject | southern chernozem | uk_UA |
dc.subject | irrigation, fertilizers | uk_UA |
dc.subject | potassium regime | uk_UA |
dc.title | Potassium regime of irrigated chernozems in various agrotechnical backgrounds | uk_UA |
dc.type | Article | uk_UA |
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