UDC 631.8
DOI 10.36461/NP.2023.65.1.014

EFFECT OF ZINC CHLORIDE AND ZINC SULPHATE ON THE SOWING QUALITIES OF PEA SEEDS
A.V. Nushtaeva, Candidate of Chemical Sciences, Associate Professor; Yu.V. Blinokhvatova, Candidate of Biological Sciences, Associate Professor
Federal State Budgetary Educational Institution of Higher Education "Penza State Agrarian University" Penza, Russia, tel. 8(8412) 62-83-67, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

This article presents the results of a laboratory study of the effect of a single treatment of pea seeds with zinc ions in the composition of chloride or sulphate on the indicators of seed germination and the development of roots and seedlings at the initial stage. A positive effect of both chloride and sulphate at a concentration of 10-50 mg/l in relation to Zn2+ on seed germination, average root and seedling length, dry mass of roots and seedlings was found. The optimal zinc ion concentration for seed treatment in our experiments was 20-30 mg/l. In this concentration range, zinc chloride had a slightly stronger growth-promoting effect than sulphate, especially on root length. The average root length was increased up to 25 % and seedlings – 49 % after ZnCl2 treatment compared to the control, and up to 3% (roots) and 35-52% (seedlings) after ZnSO4 treatment, respectively. The weights of 100 roots and 100 seedlings were 41% and 64% (ZnCl2) and 32% and 50% (ZnSO4) higher than the control values at a concentration of 20-30 mg/l. In general, a minimum concentration of zinc ions of 20 mg/l, both in chloride and sulphate form, was sufficient for an effective action.
Keywords: trace elements, zinc chloride, zinc sulfate, laboratory germination, germination energy, crop farming.

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UDC 633.854.54 : 632.5.01/.08
DOI 10.36461/NP.2023.65.1.012

EVALUATION OF THE WEED COMPONENT IN OILSEED FLAX CROPS AS A BASIS FOR PHYTOSANITARY DESIGN
D.V. Bochkarev1, Doctor of Agricultural Sciences, Professor; A.V. Stolyarov1, Candidate of Technical Sciences, Associate Professor; A.N. Nikolsky1, Candidate of Agricultural Sciences, Associate Professor; G.N. Kuznetsova, 2Candidate of Agricultural Sciences; V.D. Bochkarev1, Candidate for Master's Degree; A. G. Vishnyakov1, Candidate for Master's Degree.
1National Research Ogarev Mordovia State University, Saransk, Russia, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
2The Siberian Experimental Station – A Branch of V.S. Pustovoit All-Russian Research Institute of Oil Crops, Isilkul, Omsk Region, Russia.

The article presents the results of studying the long-term dynamics of the weed component of oilseed flax agrophytocenoses in the South of the Non-Chernozem Zone of the Russian Federation. It was found that under conditions of extensive cultivation, the highest abundance is characteristic of the groups of early spring, rhizomatous and root-sprouting weeds. The population density of wintering weeds has now increased. The population density of the late spring species – cockspur grass (Echinochloa crus-galli (L.) P. Beauv.), and green bristlegrass (Setaria viridis (L.) P. Beauv.) has increased. Rhizomatous and root-sprouting perennial species have maintained their species composition but have significantly reduced their numbers. It is mainly formed by field horsetail (Equisetum arvense L.), marsh woundwort (Stachys palustris L.) and field bindweed (Convolvulus arvensis L.). The taxonomic structure of the weed cenosis remained quite stable. Depending on the level of oilseed flax cultivation technology, representatives of 58-73 genera were found. At the same time, most of them were monotypic or oligotypic. The main role in the formation of the segetal flora was played by representatives of the families: Asteraceae (18-27 %), Brassicaceae (11-13 %), Poaceae (8-13 %), Lamiaceae (7-11 %), and Fabaceae (3-7 % of all recorded species). Regardless of the level of applied technology, species from the Poaceae, Polygonaceae, Convolvulaceae, and Lamiaceae families stably maintained their population density. The polyspecific weed spectrum that forms in oilseed flax crops currently requires a complex application of graminicides and herbicides against dicotyledonous weeds.
Keywords: oilseed flax, weed species, population density, agrobiological groups, taxonomic analysis.

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UDC 633.63+631.82
DOI 10.36461/NP.2023.65.1.010

CHARACTERISTICS OF SYMBIOTIC ACTIVITY OF PEA PLANTS DEPENDING ON DIFFERENT LEVELS OF MINERAL NUTRITION
V.V. Koshelyaev, Doctor of Agricultural Sciences, Professor; N.V. Shabyshev, Postgraduate; I.P. Koshelyaeva, Doctor of Agricultural Sciences, Associate Professor
Federal State Budgetary Educational Institution of Higher Education "Penza State Agrarian University", Penza, Russia, tel. 8(8412) 62-83-73, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

This article deals with the ability of pea plants to form a nitrogen-fixing symbiosis (NFS) with nodule bacteria depending on the level of mineral nutrition. The fundamental indicators characterising the symbiotic activity of pea plants are analyzed. The purpose of the study is to investigate the characteristics of the symbiotic activity of pea and to justify the optimal level of mineral nutrition that ensures the effective formation of nitro-gen-fixing symbiosis as an indicator of the production process. The following objectives were achieved: study of the dynamics of changes in the number and weight of nodules, comparative assessment of symbiotic activity at different levels of mineral nutrition, determination of the nitrogen fixation coefficient of pea plants at different levels of mineral nutrition. As a result, it was found that the best indicators of symbiotic activity of pea plants are formed against the background of the application of mineral fertilizers in the amount of N16P16K16. This level of mineral nutrition contributed to the formation of a large number of active nodules with a high mass on the root system, the development of a higher active symbiotic potential and specific symbiotic activity during the vegetation period. The N16P16K16 showed high values for fixed air nitrogen and nitrogen fixation coefficient.
Keywords: peas, mineral nutrition level, nitrogen-fixing symbiosis, nodule bacteria, specific activity of symbiosis, nitrogen fixation coefficient.

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Agronomy


CHANGES IN THE ACID-BASE PROPERTIES OF LEACHED CHERNOZEM WHEN USING CHEMICAL AMELIORANTS AND POULTRY MANURE
N.S. Ochkina, post-graduate student, А.N. Arefiev, Doctor of Agricultural Sciences, Assistant-Professor, Е.N. Kuzin, Doctor of Agricultural Sciences, Professor, Е.Е. Kuzina, Candidate of Agricultural Sciences, Assistant-Professor
Federal State Budgetary Educational Institution of Higher Education "Penza State Agrarian University", Penza, Russia, tel. 8(412) 62-85-65, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.


 COMPARATIVE CHARACTERISATION OF SUNFLOWER HYBRIDS IN TERMS OF THEIR ECONOMIC VALUE AND ADAPTABILITY COEFFICIENT
А.V. Lekarev, Candidate of Agricultural Sciences, Senior Research Scientist;
L.А. Gudova, Candidate of Agricultural Sciences, Junior Research Scientist;
О.А. Polevaya Senior Research Scientist; А.V. Pominov, Candidate of Biological Sciences, Research Scientist
Federal State Budgetary Scientific Institution "Federal Agrarian Scientific Centre of South-East", Saratov,
Russia тел. 89271242886, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.


 

EVALUATION OF WINTER TRITICALE VARIETIES FOR PRODUCTIVITY AND ADAPTABILITY TO THE CONDITIONS OF THE FOOTHILL ZONE OF THE CENTRAL CAUCASUS
I.R. Manukyan, Candidate of Biological Sciences, Associate Professor
North Caucasus Research Institute of Hill and Foothill Agriculture - Branch of the Federal State Scientific Centre "Vladikavkaz Scientific Centre of the Russian Academy of Sciences", e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.


 

IMPACT OF ORGANIC TECHNOLOGY OF CROPS CULTIVATION IN A GRAIN-FALLOW ROTATION ON THEIR YIELDS IN THE FOREST-STEPPE CONDITIONS OF THE VOLGA REGION
O.A. Olenin, Candidate of Agricultural Sciences, researcher; S.N. Zudilin, Doctor of Agricultural Sciences, Professor; A.Y. Vasiliskov, post-graduate student; P.V. Melnikov, post-graduate student
Federal State Budgetary Educational Institution of Higher Education “Samara State Agrarian University”, Ust-Kinelsky, Kinel, Russia, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.


 

YIELD STRUCTURE OF DIFFERENT SPRING WHEAT VARIETIES IN PLANT PROTECTION TECHNOLOGIES IN THE SOUTHERN URALS
А.А.Kuteeva1, deputy manager, applicant; G.F. Yartsev2, Doctor of Agricultural Sciences, Professor
1Branch of the Federal State Budgetary Institution "Russian Agricultural Center" in the Orenburg Region, Orenburg, Russia, tel. 89228580936, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
2Federal State Budgetary Educational Institution of Higher Education "Orenburg State Agrarian University", Orenburg, Russia, tel. 89128462695, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.


CHARACTERISTICS OF SYMBIOTIC ACTIVITY OF PEA PLANTS DEPENDING ON DIFFERENT LEVELS OF MINERAL NUTRITION
V.V. Koshelyaev, Doctor of Agricultural Sciences, Professor; N.V. Shabyshev, Postgraduate; I.P. Koshelyaeva, Doctor of Agricultural Sciences, Associate Professor
Federal State Budgetary Educational Institution of Higher Education "Penza State Agrarian University", Penza, Russia, tel. 8(8412) 62-83-73, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.


EVALUATION OF THE WEED COMPONENT IN OILSEED FLAX CROPS AS A BASIS FOR PHYTOSANITARY DESIGN
D.V. Bochkarev1, Doctor of Agricultural Sciences, Professor; A.V. Stolyarov1, Candidate of Technical Sciences, Associate Professor; A.N. Nikolsky1, Candidate of Agricultural Sciences, Associate Professor; G.N. Kuznetsova, 2Candidate of Agricultural Sciences; V.D. Bochkarev1, Candidate for Master's Degree; A. G. Vishnyakov1, Candidate for Master's Degree.
1National Research Ogarev Mordovia State University, Saransk, Russia, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
2The Siberian Experimental Station – A Branch of V.S. Pustovoit All-Russian Research Institute of Oil Crops, Isilkul, Omsk Region, Russia.


EFFECT OF ZINC CHLORIDE AND ZINC SULPHATE ON THE SOWING QUALITIES OF PEA SEEDS
A.V. Nushtaeva, Candidate of Chemical Sciences, Associate Professor; Yu.V. Blinokhvatova, Candidate of Biological Sciences, Associate Professor
Federal State Budgetary Educational Institution of Higher Education "Penza State Agrarian University" Penza, Russia, tel. 8(8412) 62-83-67, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.


FORMATION OF PRODUCTIVITY OF MAIZE HYBRIDS UNDER SYSTEMIC APPLICATION OF MEGAMIX PREPARATIONS
R.N. Saniev, Candidate of Agricultural Sciences; V.G. Vasin, Doctor of Agricultural Sciences, Professor;
D.I. Trifonov, Postgraduate, S.V. Fadeev, Candidate of Agricultural Sciences
Federal State Budgetary Educational Institution of Higher Education "Samara State Agrarian University", Kinel, Russia, tel. +7(937)-666-95-50, This email address is being protected from spambots. You need JavaScript enabled to view it.


USE OF THE MULTIPURPOSE CROP MISCANTHUS GIGANTEUS IN LANDSCAPE PHYTODESIGN
V.A. Gushchina, Doctor of Agricultural Sciences, Professor; A.S. Lykova, Candidate of Agricultural Sciences, Associate Professor; N.I. Ostroborodova, Candidate of Agricultural Sciences, Associate Professor; A.A. Volodkin, Candidate of Agricultural Sciences, Associate Professor
Federal State Budgetary Educational Institution of Higher Education "Penza State Agrarian University", Penza, Russia, tel. (8412) 628-367, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.


INFLUENCE OF LIME MATERIALS AND THEIR COMBINATION WITH POULTRY MANURE ON THE FERTILITY OF LEACHED CHERNOZEM
N.S. Ochkina1, Postgraduate Student; A.N. Arefiev1, Doctor of Agricultural Sciences, Associate Professor; E.N. Kuzin1, Doctor of Agricultural Sciences, Professor; E.E. Kuzina1, Candidate of Agricultural Sciences, Associate Professor; R.I. Dubin2, Candidate of Agricultural Sciences, Associate Professor
1Federal State Budgetary Educational Institution of Higher Education "Penza State Agrarian University", Penza, Russia, tel. 8(412) 62-85-65, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.;
2Federal State Budgetary Educational Institution of Higher Education "Astrakhan State University", Astrakhan. Russia


INFLUENCE OF THE ELEMENTS OF ORGANIC FARMING ON THE CHANGE OF THE AGROCHEMICAL PROPERTIES OF THE MEADOW CHERNOZEM SOIL AND CROP YIELDS
K.Yu. Kiseleva, Postgraduate Student; E.N. Kuzin, Doctor of Agricultural Sciences, Professor; A.N. Arefiev, Doctor of Agricultural Sciences, Associate Professor; E.E. Kuzina, Candidate of Agricultural Sciences, Associate Professor
Federal State Budgetary Educational Institution of Higher Education "Penza State Agrarian University", Penza, Russia. tel. 8(412) 62-85-65, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.


 

Private animal husbandry, feeding, technologies of feed preparation and production of livestock products


COMPLEX FUNCTIONAL ADDITIVES AND THEIR EFFECT ON CALF GROWTH AND DEVELOPMENT
М.S. Upinin, post-graduate student; А.Y. Lavrentiev, Doctor of Agricultural Sciences, Professor
Federal State Budgetary Educational Institution of Higher Education "Chuvash State Agrarian University", Cheboksary, Russia, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.


THE INFLUENCE OF STUD BULLS ON THE ECONOMICALLY USEFUL SIGNS OF DAUGHTERS
T.V. Shishkina, Candidate of Agricultural Sciences, Associate Professor; E.A. Zykina, Candidate of Agricultural Sciences; N.V. Nikishova, Candidate of Agricultural Sciences, Associate Professor; T.A. Guseva, Candidate of Agricultural Sciences
Federal State Budgetary Educational Institution of Higher Education "Penza State Agrarian University", Penza, Russia, vol. 8(8412) 628380, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.


EFFECT OF AN ENZYME PREPARATION WITH PHYTASE ACTIVITY ON GROWTH AND DEVELOPMENT OF YOUNG FATTENING PIGS
L.R. Mikhailova, assistant; A.Yu. Lavrentiev, Doctor of Agricultural Sciences, Professor
Federal State Budgetary Educational Institution of Higher Education "Chuvash State Agrarian University", Cheboksary, Russia, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.


COMPARATIVE EVALUATION OF HOLSTEIN COWS ON MILK PRODUCTIVITY OF MOTHERS AND THEIR DAUGHTERS
V.V. Lyashenko, Doctor of Agricultural Sciences, Professor; A.V. Gubina, Candidate of Agricultural Sciences, Associate Professor; I.V. Kaeshova, Candidate of Agricultural Sciences; N.Yu. Chupsheva, Candidate of Agricultural Sciences, Teacher
Federal State Budgetary Educational Institution of Higher Education "Penza State Agrarian University", Penza, Russia, tel. 8(8412) 62-81-51, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.


 

Technologies, machinery and equipment for the agro-industrial complex


DISTRIBUTION OF THE SOWING MATERIAL BY THE DISTRIBUTOR OF THE PNEUMATIC SEEDER
A.N. Kalabushev, Candidate of Technical Sciences
Federal State Budgetary Educational Institution of Higher Education "Penza State Agrarian University", Russia, tel. (8-8412) 62-85-17, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.


Regional and sectoral economics (economic sciences)


 

ACTIVATION OF AGRICULTURAL LEASING IN REGIONAL ECONOMIC MANAGEMENT
О.А. Tagirova, Candidate of Economic Sciences, Assistant-professor; V.S. Kozhaev, Master's student
Federal State Budgetary Educational Institution of Higher Education "Penza State Agrarian University", Penza, Russia, ph. +79656385748, This email address is being protected from spambots. You need JavaScript enabled to view it.


 

EFFICIENCY OF THE USE OF RESOURCE POTENTIAL AS A FACTOR FOR STABLE FUNCTIONING OF AGRICULTURAL ORGANISATIONS
N.N. Bondina, Doctor of Economic Sciences, Professor; I.A. Bondin, Doctor of Economic Sciences, Associate Professor; E.V. Shirokova, Candidate of Economic Sciences, Associate Professor; I.E. Shpagina, Candidate of Economic Sciences, Associate Professor
Federal State Budgetary Educational Institution of Higher Education "Penza State Agrarian University", Penza, Russia, This email address is being protected from spambots. You need JavaScript enabled to view it.


 

FARMING AND PRIVATE SUBSIDIARY PLOTS OF THE POPULATION TO ENSURE FOOD SECURITY IN THE REGION
O.A. Stolyarova, Candidate of Economic Sciences, Associate Professor; Yu.V. Reshetkina, Candidate of Economic Sciences
Federal State Budgetary Educational Institution of Higher Education "Penza State Agrarian University", Penza, Russia, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

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