OPTIMIZATION OF THE SEEDING RATE OF PEAS IN THE SOUTHERN FOREST-STEPPE OF THE OMSK REGION

N A RENDOV; E V NEKRASOVA; S I MOZYLEVA; S I MOZYLEVA

UDC

635.656

OPTIMIZATION OF THE SEEDING RATE OF PEAS IN THE SOUTHERN FOREST-STEPPE OF THE OMSK REGION

Published in Vestnik of Omsk SAU · Pages 26–32 · Rubric: AGRONOMY

EDN: PQTPPM

Received: 06.03.2024 Accepted: 15.03.2024 Published: 25.03.2024

Authors

N A RENDOV

E V NEKRASOVA

S I MOZYLEVA

N A RENDOV

Omsk State Agrarian University named after P.A. Stolypin

E V NEKRASOVA

Omsk State Agrarian University named after P.A. Stolypin

S I MOZYLEVA

Omsk State Agrarian University named after P.A. Stolypin

S I MOZYLEVA

Omsk State Agrarian University named after P.A. Stolypin

ABSTRACT

Study to determine the optimal seeding rate for the Santana pea variety for the conditions of the southern forest-steppe zone of the Omsk region was conducted in 2020-2022 at the experimental field of the Omsk State Agrarian University. Four seeding rates were taken for comparison - 0.6; 0.8; 1.0 and 1.2 million viable seeds per hectare under two conditions: without fertilizers and with the introduction of N 12 P 52 (ammophos) during seeding. During the branching phase of peas, the crops were treated with a tank mixture of herbicide, insecticide, and fungicide. The highest seedlings completeness was achieved at a seeding rate of 0.6 million viable seeds per hectare ranging from 75.0 to 76.1%, depending on the fertilization background. An increase in the seeding rate led to a decrease in this indicator to 59.7%. The survival rate of pea plants during the years of research was quite high and averaged 93.1% across the experiment. In contrast to germination, the retention rate increased with an increase in the seeding rate from 89.8 to 94.9%. With an increase in the seeding rate, the survival, as well as the pea seedling completeness, decreased from 68.7% when sowing 0.6 million germinating seeds per hectare to 56.7% when seeding 1.2 million. The highest yield was achieved at a seeding rate of 1 million viable seeds per hectare. Without fertilizers, the yield of 3.67 t/ha was obtained, and with the introduction of N 12 P 52 yield was 3.86 t/ha. Both a decrease and an increase in the seeding rate led to a decrease in yield. The application of fertilizers, regardless of the seeding rate, led to a significant increase in yield compared to the unfertilized background.

KEYWORDS

peas, seeding rate, seed yield, seedling completeness, survival rate

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Editor-in-chief

Oksana Shumakova

responsible secretary

Elena Rodomazova

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GOST

RENDOV N. A., NEKRASOVA E. V., MOZYLEVA S. I., MOZYLEVA S. I. OPTIMIZATION OF THE SEEDING RATE OF PEAS IN THE SOUTHERN FOREST-STEPPE OF THE OMSK REGION // . 2024. pp. 26-32. EDN: PQTPPM. (Date of access 19.08.2026).

MLA

N A RENDOV, NEKRASOVA E. V., MOZYLEVA S. I., MOZYLEVA S. I.. "OPTIMIZATION OF THE SEEDING RATE OF PEAS IN THE SOUTHERN FOREST-STEPPE OF THE OMSK REGION." (2024): 26-32. EDN: PQTPPM.

APA

RENDOV N. A., NEKRASOVA E. V., MOZYLEVA S. I., MOZYLEVA S. I. (2024). OPTIMIZATION OF THE SEEDING RATE OF PEAS IN THE SOUTHERN FOREST-STEPPE OF THE OMSK REGION. , 26-32. EDN: PQTPPM.

Chicago

N A RENDOV, NEKRASOVA E. V., MOZYLEVA S. I., MOZYLEVA S. I.. "OPTIMIZATION OF THE SEEDING RATE OF PEAS IN THE SOUTHERN FOREST-STEPPE OF THE OMSK REGION." , no. (2024): 26-32. EDN: PQTPPM.

WIKI

{{cite journal | author = RENDOV N. A., NEKRASOVA E. V., MOZYLEVA S. I., MOZYLEVA S. I. | title = OPTIMIZATION OF THE SEEDING RATE OF PEAS IN THE SOUTHERN FOREST-STEPPE OF THE OMSK REGION | journal = | year = 2024 | pages = 26-32 }} EDN: PQTPPM

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