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Agriculture and forestry

space SCIENTIFIC JOURNALS OF VINNITSA NATIONAL AGRARIAN UNIVERSITY

Issue №: 3 (30)

Published: 2023.11.09
DOI: DOI: 10.37128/2707-5826-2023-3


Description:
Publications contains the results of researches on optimization of technological methods of cultivation of crops, preservation of soil fertility, greening of agricultural production, modern directions of selection, reproduction of forest resources.

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INFLUENCE OF ROW SPACING ON THE PRODUCTIVITY OF MAIZE HYBRIDS OF DIFFERENT MATURITY GROUPS

DOI: 10.37128/2707-5826-2023-3-2
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Palamarchuk Vitalii Dmytrovych – Doctor of agricultural sciences, associate professor of the department of Plant Production and Horticulture Vinnytsia national agrarian university (21008, Vinnytsia, Sonyachna st., 3 email: vd-palamarchuk@ukr.net).

Dmytrenko Victor Petrovich - candidate of technical sciences, senior researcher of the laboratory of adaptive potato growing, storage and processing of the Institute of Potato Growing of the National Academy of Sciences of Ukraine (07853, Nemishaeve village, Chkalova street 22, Buchansky district, Kyiv region. email: vik8320@meta.ua).

Dmytrenko Volodymyr Petrovich is the head of the Kalinivsko-Kordeliv base of the Institute of Potato Growing of the National Academy of Sciences of Ukraine (07853, Nemishaeve village, Chkalova street 22, Buchansky district, Kyiv region).

Borysov Valery Vitaliyovych – recipient of the Vinnytsia National Agrarian University (21008, Vinnytsia, 3 Soniacna St.).

Annotation

Growing corn is a complex process, the success of which depends on compliance with the cultivation technology. Increasing the productivity of modern maize hybrids without incurring high cultivation costs is possible primarily by optimizing the plant nutrition area by using different row spacing. The research on this topic was conducted during 2021-2022 in the conditions of Organic-D LLC in the village of Sutisky. We have found that row spacing significantly affects the complex of economically valuable traits and productivity of corn plants. Reducing the row spacing from 70 to 45 cm, especially for mid-early and mid-season maize hybrids, increases the competition of plants for light and promotes plant elongation and linear growth by 2-5 cm. Increasing the row spacing from 45 to 70 cm has a positive effect on increasing the length and weight of cobs in the group of medium-early and medium-ripening maize hybrids, causing an increase in the number of rows of grains by 1.2-1.3 pcs. For the group of early maturing hybrids, the change in row spacing did not have a significant effect on cob length and cob weight. The largest number of cobs at a row spacing of 45 cm was formed by early ripe corn hybrids Dniprovskyi 181 SV - 76.3 thousand pieces per hectare and DMS Coral - 75.8 thousand pieces per hectare. The use of row spacing of 70 cm for the mid-early and mid-season group contributes to the formation of the largest number of cobs for the mid-season hybrid - Vizir - 84.1 thousand units per hectare and the mid-early Bogatyr - 81.8 thousand units per hectare. Extending the duration of the growing season in the studied maize hybrids requires the use of row spacing of 70 cm, while the number of grains in a number of medium-early and medium-ripening hybrids increases by 4.2-9.5 pcs. The increase in yield due to the use of row spacing of 70 cm was significant for mid-early and mid-season hybrids and amounted to 0.36-2.07 t/ha, compared to the row spacing of 45 cm.

Keywords: maize, row spacing, planting density, feeding area, grain, productivity, hybrids, morphological traits.

List of references

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2.Tsekhmeistruk M.H. Muzafarov N.M., Manko K.M. (2014). Aspekty vyroshchuvannia kukurudzy [Aspects of growing corn]. Ahrobiznes sohodni – Agribusiness today. № 8. 28-32. [in Ukrainian].

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10. Pashchenko Yu. (2014). Biologichni aspekty` u minimilizaciyi zatrat za vy`roshhuvannya kukurudzy` [Biological aspects in minimizing costs in the cultivation of corn]. Zerno - Grain. 2014. №2 (95). 97-100. [in Ukrainian].

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About journal

Topics of the journal:

Topics of the Journal:

Program goals (basic principles): questions of technology and efficiency of crop production, scientific and industrial aspects of agronomic specialties, ecology and forestry.

Articles on such scientific problems are accepted for printing:

Plant production, current state and prospects for development.

Agrochemistry and modern aspects of fertilizers and biologically active substances application.

Feed production, current state and prospects for development.

Selection, seed production, seed science and varieties.

Protection of plants.

Soil managment and soil quality improvement.

Forestry and gardening.

Vegetables and mushrooms, current status and development trends.

Ecology and environmental protection.

Theory and history of agricultural sciences and forestry.

Modern directions of development of arable land 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, the main area of development and production of organic products.

Agriculture and modern crop rotation and soil cultivation.

Horticulture and viticulture.

Processing and storage of crop products.

Beekeeping, current status and development trends.

Contemporary biological research in crop production and forestry.

Progressive technologies of the agricultural complex.

Psychological and pedagogical problems of agrarian education.

The young scientist opinion.

 

Key information:
ISSN (print): 2707-5826
DOI: 10.37128/2707-5826
Key information:
ISSN (print): 2707-5826
DOI: 10.37128/2707-5826
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.
 
Certificate of mass media state registration No. 21363-11163 Р of June 09, 2015
1. Founder (co-founder): Vinnytsia National Agrarian University.
2. Type of publication: journal.
3. Publication status: domestic.
4. Title(s) of publication: Agriculture and Forestry.
5. Language(s) of the publication: Ukrainian and English.
6. Spread: nationwide.
7. Categories of readers: students, postgraduates, scientists, employees of agroindustrial complex, state bodies of management.
8. Program goals (basic principles): questions of technology and efficiency of crop cultivation, scientific and industrial aspects of agronomic specialties, ecology and forestry.
9. Estimated periodicity of issue, volume (in conventional printed sheets) and format of publication: twice a half year, 7.5-15 conventional printed sheets, format: A4.
10. Legal address of the founder: 21008, Vinnytsia, Soniachna Street, 3; telephones: (0432) 56-03-13; 35-70-84, fax: (0432) 43-80-25; e-mail:
11. Location of the editorial office: 21008, Vinnytsia, Soniachna Street, 3.
12. Type of publication by purpose: agriculture and forestry, scientific production.
History of journal:

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 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.