The influence of nutrition optimization on the productivity of spring oil crops on the southern chernozem in the zone of Ukrainian steppe under the influence of biopreparations

Gamayunova, V.; Khonenko, Lyubov; Moskva, Iryna; Volosyuk, Yuriy; Baklanova, Tetiana

doi:10.31734/agronomy2019.01.112

Cited by 8 publications

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“…m 2 /ha. Other researchers ( Gamayunova et al, 2019;Melnyk et al, 2020) found that for varieties and hybrids of the intensive type, which currently prevail in agricultural production, the optimal leaf area is within 50-60 thous. m 2 / ha.…”

Section: Figure 3 the Proportion Of Influence Of The Factors Under St...mentioning

confidence: 97%

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2023

Scientific Horizons

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Рекомендовано до друку та поширення через мережу Інтернет Вченою радою Поліського національного університету (протокол № x від xx 2023 року) Свідоцтво про державну реєстрацію друкованого засобу масової інформації серії КВ № 24997-14937 ПР Науковий журнал включено до категорії А Переліку наукових фахових видань України, у яких можуть публікуватися результати дисертаційних робіт на здобуття наукових ступенів доктора та кандидата ветеринарних, економічних, сільськогосподарських і технічних наук зі спеціальностей: 051 -Економіка; 071 -Облік і оподаткування; 072 -Фінанси, банківська справа та страхування; 073 -Менеджмент; 075 -Маркетинг; 076 -Підприємництво, торгівля та біржова діяльність; 101 -Екологія; 133 -Галузеве машинобудування; 201 -Агрономія; 202 -Захист і карантин рослин; 203 -Садівництво та виноградарство; 204 -Технологія виробництва і переробки продукції тваринництва; 205 -Лісове господарство; 206 -Садово-паркове господарство; 208 -Агроінженерія; 211 -Ветеринарна медицина (наказ МОН України № 1166 від 23 грудня 2022 р.) Журнал представлено у міжнародних наукометричних базах даних, репозитаріях та пошукових системах: Інституційний репозитарій Поліського національного університету, AGRICOLA, CAB Abstracts and Global Health (CABI), Open Academic Journals Index (OAJI), Scopus, Index Copernicus, Реєстр наукових видань України, Національна бібліотека України імені В. І. Вернадського, Crossref, Directory of Open Access Journals (DOAJ) Адреса редакції: Поліський національний університет б-р Старий,

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Section: Figure 3 the Proportion Of Influence Of The Factors Under St...mentioning

confidence: 97%

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2023

Scientific Horizons

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“…Соняшник є культурою дуже вимогливою до кліматичних умов, потребує значної кількості вологи і сонячної енергії в певному співвідношенні в різні періоди вегетації, яка, залежно від групи стиглості, триває від 80 до 130 діб. У питанні впровадження нових, економічно вигідних технологій у рослинництво, на особливу увагу заслуговує такий елемент вирощування, як позакореневе підживлення посівів сільськогосподарських рослин мікроелементами та рістрегулюючими речовинами (Gamayunova et al, 2019c). За кореневого живлення рослини поглинають із ґрунтового розчину понад 70 різних хімічних елементів, забезпечуючи себе переважно трьома основними макроелементами -азотом, фосфором і калієм.…”

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Formation of Sunflower Productivity Under the Influence of Foliar Top Dressing by Modern Biopreparations in the Conditions of the Southern Steppe of Ukraine

Gamajunova

Volosyuk

2020

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The results of research with the culture of sunflower hybrid Dragan, performed du-ring 2016–2018 in the experimental farm of State Enterprise “Seleni Koshary” (“Green Barns”), located in the Pervomaiskyi District of Mykolaiv Region. Soil kind – southern chernozem with a content of 3.3–3.5% of humus in the layer of 0-30 cm and an average supply of mobile forms of nitrogen, phosphorus and potassium. Sunflower was placed after winter wheat. Under the primary (base) tillage, N16P16K16 was applied as the background. And in the main growing seasons foliar top dressing was carried out with modern preparations: Retardine, Fresh Energy and Fresh Flo-rida. The years of sunflower growing were typical for the Steppe Zone of Ukraine, but differed in the amount of precipitation. The main trends, regional features of sunflower growing, formation of its yielding capacity and seed quality are revealed. The importance of nutrition optimization by selecting micronutrients for the growth and development of sunflower for the benefits of foliar top dressing as a way to overcome the deficit in nutritive elements. The results of researches of influence of foliar top dressing in the basic periods of vegetation on productivity of sunflower are analyzed and stated. The importance of modern preparations in increasing the yielding capacity, quality and conditional collection (output) of oil per unit area has been studied. It is established that the yielding capacity of sunflower grain from foliar top dressing with modern preparations increases from 8.3 to 39.3% relative to control. Its highest level was formed during the treatment of plants twice during the growing season – in the phase of 3–4 pairs of leaves and the formation of anthodium (3.56 t/ha, in the control 2.76 t/ha). The highest yielding capacity is obtained in 2016, and the lowest – in the most unfavorable rainfall in 2017, when the increase in yields from foliar top dressing was up to 63.6%. This indicates the ability of plants under the influence of the studied biological preparations to withstand adverse conditions, in particular, high temperatures and drought during the growing season. In 2016, the increase in yield in the most optimal variants of nutrition reached 38.3%, and in 2018 – 29.6%. The fat content in the grain (kernels) of sunflower in more favorable years for moisture, compared to 2017, was also higher, but with the number of treatments of crops in contrast to the level of yield, this index did not increase. At the same time, the conditional collection (output) of oil from one hectare increased, which is due to the level of the formed yield. Thus, in the control the average indicator for 2016–2018 was 1.17t/ha, for the treatment of plants in the phase of 3–4 pairs of leaves – 1.40 t/ha, budding – 1.59, and in both phases – on average for all preparations 1.64 t/ha of oil. The obtained results gave grounds to substantiate a set of measures related to the optimization of sunflower plant nutrition through the use of modern growth regulators to obtain a stable grain yielding capacity and conditional oil output per unit area

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“…Optimising the supply of nutrients during the growing season of crops results in more efficient use of moisture, regardless of the conditions prevailing during the growing years (Pinkovsky et al, 2019). This was determined during research with various crops, including sunflower (Domaratskiy et al, 2019;Gamayunova et al, 2019). Data obtained by scientific institutions indicate that sunflower should occupy no more than 20% of the crop rotation structure (Tkalich et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

Nutrient regime of the soil depending on the share of sunflower in short-rotational crop

Dehtiarova

2023

UBSRAS

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Sunflower requires a sufficient amount of nutrients for growth and development. Therefore, it is important to determine the impact of sunflower cultivation on the soil nutrient regime, taking into account the frequency of its return to the previous place. The aim of the study was to determine the influence of the share of sunflower in short rotation crop rotations on the soil nutrient regime. The research was conducted at the experimental field of the Kharkiv V.V. Dokuchaev National Agrarian University, which is located in the Left-Bank Forest-Steppe of Ukraine. The research and accounting were carried out on typical heavy loamy chernozem in accordance with generally accepted methods. The experimental scheme included five-field crop rotations with sunflower saturation of 0, 20, 40 and 60%. The research results show that an increase in the share of sunflower in short rotation crop rotations does not lead to a deterioration in the nutrient regime of the topsoil. There was no significant difference between the variants in the content of nutrients. The most supplied with nutrients was the topsoil in the control variant (crop rotation without sunflower). With an increase in the share of sunflower in crop rotations, the amount of nutrients in the tilth layer of soil decreased slightly. Regardless of the studied crop rotation options, the availability of easily hydrolysable nitrogen was low, mobile phosphorus was average, and exchangeable potassium was high. Increasing the share of sunflower in short rotation crop rotations led to a decrease in the yield of the crop itself. The yield of sunflower seeds was at the same level in the variants with 20 and 40%. There is a close relationship between sunflower yield and its saturation, which significantly depends on the soil nutrient regime. The yield level is most affected by the content of phosphorus and potassium in the topsoil. The correlation is 0.91 and 0.98, respectively. The practical value of this study is due to the possibility of using the obtained results to justify the feasibility of increasing the share of sunflower in the structure of crop rotations

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The influence of nutrition optimization on the productivity of spring oil crops on the southern chernozem in the zone of Ukrainian steppe under the influence of biopreparations

Cited by 8 publications

References 0 publications

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Formation of Sunflower Productivity Under the Influence of Foliar Top Dressing by Modern Biopreparations in the Conditions of the Southern Steppe of Ukraine

Nutrient regime of the soil depending on the share of sunflower in short-rotational crop

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