Agriculture and forestry

Mazur Viktor Anatoliyovych - Candidate of Agricultural Sciences, Professor of the Department of Crop Production and Bioenergy Crops, Rector of Vinnytsia National Agrarian University, (21008, Street Sunny, 3, Vinnytsia, e-mail: tkachukop@ukr.net)

Klymenko Mykola Oleksandrovych - Doctor of Agricultural Sciences, Professor, National University of Water Management and Nature Management, (33028, 11 Soborna Street, Rivne).

Tkachuk Alexander Petrovich - Doctor of Agricultural Sciences, Associate Professor of the Department of Ecology and Environmental Protection of Vinnitsa National Agrarian University, (21008, Str. Sunny, 3, Vinnitsa city, e-mail: tkachukop@ukr.net)

Pantsyreva Anna Vitaliyivna - Candidate of Agricultural Sciences, Associate Professor of the Department of Forestry, Horticulture, Horticulture and Viticulture, Vinnytsia National Agrarian University, (21008, Street Sunny, 3, Vinnytsia, tel. 0979460703. e-mail: apantsyreva@ukr.net)

Demchuk Olga Andreevna - graduate student of Vinnytsia National Agrarian University (21008, Soniachna st. 3, Vinnytsia, e-mail: kush.o.a@ukr.net).

In the variant without water treatment (control), the duration of the pea growing season was 77 days, spraying the crops with structured water extended the growing season by one day. The density of pea crops before harvesting in different variants was 695-936 pieces/m2. The densest was the sowing of peas on the option of watering with structured water, which was 19% more than in the control. The percentage of damage to the leaf surface of pea plants by disease was 4-7%. The most affected leaves were in the variant of spraying with ordinary water, which was 2% more than in the control. Irrigation of pea crops with structured water reduced the damage to the leaf surface of pea plants by diseases by 1%, compared with the control. No differences were found in other variants compared to the control. Damage of pea seeds by pests was 4-7% of beans. The highest percentage of bean damage was found in the variant of spraying with structured water, and the lowest - in the control and watering with structured water. Weediness of pea crops in different variants was 46-79 pieces/m2. Weeds were found more than in the control with watering options: structured water - by 39.5%, ordinary water - by 22%. In the other cases, the weeds did not differ from the control. The number of beans per pea plant ranged from 6.9 to 9.5 pieces. Most beans were observed in the variant of watering with structured water, which was 14.7% more than in the control. The number of grains in one pea was 5.3-6.2 pcs. The largest number of grains in beans was found in the options of spraying with structured water, watering with structured water, and watering with ordinary water, which was 8.1% more than in the control. The mass of a thousand pea seeds was 244-248 g. The largest mass of a thousand seeds was observed in the variant of watering with structured water, which was 1.2% more than in the control. The highest yield of pea grain was established on the variant of irrigation with structured water - 5.79 t/ha, which was 42.3% more than on the control and 22.3% more than on the variant of irrigation with ordinary water. Spraying with structured water provides a yield of 4.65 t/ha, which was 28.2% more than in the control and 28.8% more than when spraying with ordinary water, but 19.7% less than when watering with structured with water.

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