The influence of the combined coulter operation on the quality and yield of grain

The article presents the main results of a three-year research on the use of a seeder with openers for different depths of grain sowing and mineral fertilizers application.Research purpose To compare SKP-2.1 seeder equipped with experimental openers and the serially produced one and to determine the yield and quality indicators of spring soft wheat grain, depending on the sowing method and the rate of nitrogen mineral fertilizers application.Materials and methods A comparative field agrotechnical experiment was carried out to compare the indicators of field germination, yield by variants and the quality of grain obtained in different variants of the experiment. The experiment was carried out on Omskaya-36 soft spring wheat. The sowing performed by SKP-2.1 serially produced seeder-cultivator was taken as control. The experimental plots were sown with the same seeder but equipped with combined coulters, which are lancet paws that ensure the placement of granular mineral fertilizers and seeds in soil horizons of different depths.Results and discussion According to the three-year research, the maximum economic effect was obtained at the rate of ammonium nitrate application of 150 kg/ha. As a result, the yield increased by 0.44 t/ha, the cost of additional production accounted for 6740 rub/ha. A slight decrease in the economic effect was revealed with an increase in the rate of fertilizer application. It was determined that the maximum yield and the best grain quality characteristics both in the control sowing options and in the experimental ones were obtained with the application of ammonium nitrate a rate of 150 and 200 kg/ha.Conclusions It was established that the use of a seeder for different-depth grain sowing and mineral fertilizers application, depending on the spring weather conditions and the ammonium nitrate dose, provides an increase in field germination by 11-18%; the average annual increase in grain yield accounted for 16.3%. The gluten content proved to increase from 24.6 (control) to 29.8 percent.

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Wheat cultivation depending on the method of seeding and nitrogen fertilizer application

Chekusov

Kem

Mixal`czov

et al. 2022

Sib. vestn. s-h. nauki

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The advantages and disadvantages of the most common types of seed drills are presented. A coulter has been studied that makes it possible to introduce mineral fertilizers below the level of sowing cereal seeds with preservation of the soil layer between them. Two-factor field experiment was conducted in four replications with a constant seeding rate of spring soft wheat Omskaya 36 4.5 million germinated seeds/ha in 2021. The rate of mineral fertilizers with a nitrogen content of 34.4% was 0 (control), 100, 150, 200 kg / ha on each type of the studied work tools. The results of comparative studies of the quality of three types of coulters on the basis of a serial seeder SKP2,1 are presented. During the field experiment, the depth of seed embedding, field germination, yield and grain quality were determined according to the variants. The best seeding depth of spring wheat seeds was provided by combined and disc coulters. The highest field germination (72.7%) was obtained when seeding with combined coulters with the introduction of ammonium nitrate at a rate of 150 kg / ha, disc coulters at the same rate - 71.0%, with a standard tine coulter - 55.1%. The highest yield (3.18 t/ha) was obtained when seeding with SKP-2,1K drill with combined coulters at the application of 150 kg/ha of ammonium nitrate. At the same rate of fertilizer application, the yield when seeding with disc coulters was 3.16 t/ha. The content of crude gluten in the control variant was 31.2%, when seeding with a combined coulter - 34.1%, when seeding with a disc coulter with the introduction of ammonium nitrate in the physical weight of 200 kg/ha - 33.4%.

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The influence of the combined coulter operation on the quality and yield of grain

Cited by 3 publications

References 3 publications

Agrotechnical Assessment of the Work of the Furrow Opener During the Cultivation of Cereals Using Intensive Technology

Agrotechnical Assessment of the Work of the Furrow Opener During the Cultivation of Cereals Using Intensive Technology

Seeder for Different Depths of Grain Sowing and Mineral Fertilizers Application

Wheat cultivation depending on the method of seeding and nitrogen fertilizer application

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