Issue №: 4 (39)
The issue of the magazine is dedicated to the study of the optimization of technological methods of growing agricultural crops. The impact of leguminous crops on improving soil fertility, methods of combating pests, greening territories, and adaptive selection of leguminous crops are considered.
INFLUENCE OF MINERAL NUTRITION ON PHOTOSYNTHETIC ACTIVITY AND PRODUCTIVITY OF CORN HYBRIDS IN THE CONDITIONS OF THE RIGHT-BANK FOREST-STEP OF UKRAINE
Polishchuk Miкhaylo Ivanovych – сandidate of Agricultural Sciences, Associate Professor of the Department of Agriculture, Soil Science and Agrochemistry, Faculty of Agronomy, Horticulture and Plant Protection, Research Institute of Agricultural Technology and Nature Management of the Vinnytsia National Agrarian University (21008, Vinnytsya, St. Sonyachna, 3, e-mail: polishchuk.mikhaylo@ukr.net, https://orcid.org/0000-0002-6021-6124)
Khavhun Andriy Anatolievich is a graduate student of the Department of Agriculture, Soil Science and Agrochemistry, Faculty of Agronomy, Horticulture and Plant Protection, National Institute of Agricultural Technologies and Nature Management of VNAU (21008, Vinnytsia, 3 Sonyachna St. https://orcid.org/0000-0001-7178-3151).
The article presents the results of comprehensive field studies conducted in 2023-2024 in the Right-Bank Forest-Steppe of Ukraine, aimed at studying the influence of mineral nutrition on the photosynthetic activity and productivity of corn hybrids (Zea mays L.). The study was carried out on podzolized medium loamy chernozems under weather conditions close to average long-term conditions. The objects of the study were hybrids of domestic selection DB Khotin (FAO 250) and DN Dnipro (FAO 300). The study scheme provided for a basic background N45P45K45 with nitrogen fertilization options (N30 in the phase of 3-5 leaves and flowering) and the use of biostimulants Organic-Balance, Azotofit-R (0.5 l/ha) and Aminorost (0.5-1.0 l/ha). It was established that the combination of mineral nutrition with biostimulants ensures the formation of a powerful photosynthetic apparatus, increases the leaf surface area by 20-25%, plant mass by 25-30%, and the net productivity of photosynthesis by 29% compared to the control. Activation of the enzymes Rubisco and PEP-carboxylase contributes to an increase in the intensity of carbon dioxide fixation, an increase in the chlorophyll content and optimization of nitrogen metabolism. As a result, complex fertilization increases the grain yield of the hybrids DB Khotyn and DN Dnipro to 9.8-9.9 t/ha, which is 38-41% more than the control, and also improves the quality indicators of the grain (protein content – up to 9.3%, starch – up to 73.8%). It is shown that integrated nutrition systems increase the energy efficiency of photosynthesis, the utilization rate of photosynthetically active radiation and the resistance of plants to short-term drought periods. It is proved that the combination of N45P45K45 + N30 + Organic-Balance + Azotofit-P + Áminorost with double nitrogen application is optimal for increasing the productivity and stability of corn crops in the climatic conditions of the Forest-Steppe. The results indicate the high efficiency of adaptive mineral nutrition technologies as a means of increasing photosynthetic potential, energy efficiency and environmental sustainability of production.
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About journal
«AGRICULTURE AND FORESTRY»
ISSN (print): 2707-5826
Publisher Vinnytsia National Agrarian University
EDRPOU code 00497236
https://ror.org/05m3ysc06
Founder of Vinnytsia National Agrarian University
DOI: 10.37128/2707-5826
Founded in 2015
Frequency is quarterly
Publication languages (Ukrainian, English)
Media ID R30-05174.
Cluster Agricultural and veterinary sciences
The purpose of the scientific collection “Agriculture and Forestry” is to present the results of experimental research in the following specialities: H1 Agronomy, H2 Animal Science, H3 Landscape Gardening, H4 Forestry, H6 Veterinary Medicine, and H7 Agricultural Engineering.
This purpose determines the main objectives:
– to ensure open informational access to the results of relevant scientific research for lecturers of agricultural higher education institutions, PhD students, doctoral candidates, researchers, and specialists in agricultural production;
– to promote the development of young scientists in the fields of agricultural and veterinary sciences;
– to intensify communication between experienced researchers and young scientists in agronomy, animal science, landscape gardening, forestry, veterinary medicine, and agricultural engineering;
– to promote the expansion of cooperation between Vinnytsia National Agrarian University and domestic and international educational institutions, research organizations, and their academic communities.
Articles are accepted for publication under the following sections:
Crop Production: Current State and Development Prospects.
Agrochemistry and Modern Directions in the Use of Fertilizers and Biologically Active Substances.
Forage Production: Current State and Development Prospects.
Plant Breeding, Seed Production, Seed Science, and Variety Studies.
Plant Protection.
Soil Science and Improvement of Soil Quality.
Forestry and Landscape Gardening.
Vegetable and Mushroom Production: Current State and Development Trends.
Theory and History of Agricultural Sciences and Forestry.
Modern Directions in the Development of Arable Farming and Forestry.
Innovative and Investment Activities in Agriculture and Forestry.
Directions and Efficiency of Crop Production.
Bioenergy Resources of Crop Production and Forestry.
Production of Renewable Energy from Biological Resources.
Organic Farming as a Key Direction in the Development and Production of Environmentally Friendly Products.
Agriculture and Modern Approaches to Crop Rotation Systems and Tillage Methods.
Fruit Growing, Berry Growing, and Viticulture.
Processing and Storage of Crop Products.
Modern Biological Research in Crop Production and Forestry.
Advanced Technologies in the Agricultural Sector.
Technology of Production and Processing of Livestock Products.
Veterinary Medicine.
Agricultural Engineering.
The young scientist opinion.
Journal History:
Scientific journal "AGRICULTURE AND FORESTRY" was founded in 1995; it was entitled as Bulletin of Vinnytsya State Agricultural Institute.
In 2010-2014 was enritled as Collection of scientific works of Vinnytsia National Agrarian University.
It has been named as Agriculture and Forestry since 2015.
Listed in the updated list of scientific professional editions of Ukraine on agricultural sciences under the name Agriculture and Forestry (Order of the Ministry of Education and Science of Ukraine of May 16, 2016; No. 515).
Since 2015, "Agriculture and Forestry". (archive of previous issues for 2015-2019) at http://forestry.vsau.edu.ua/.
The journal “Agriculture and Forestry (ISSN: 2707-5826)” passed the evaluation process of Index Copernicus positively and is indexed in the database of ICI Journals Master List ICV for 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 is presented in the full list of indexed journals in the Master List International List
https://journals.indexcopernicus.com/search/details?id=65401
According to the order of the Ministry of Education and Science of Ukraine dated 17.03.2020 № 409. The journal Agriculture and Forestry is included in the List of scientific professional publications of Ukraine Category "B" in agricultural sciences (specialties) - 101, 201, 202, 203, 205, 206.
According to the decision of the National Council of Television and Radio Broadcasting of Ukraine dated 25.04.2024 No. 1337 scientific journal “Agriculture and Forestry” has the ID of the Media R30-05174.
All materials are distributed under the Creative Commons Attribution 4.0 International Public License (CC BY 4.0), which allows others to share and adapt the work with proper acknowledgment of authorship and the first publication in this сollection.
