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Influence of Agricultural Systems on Microbiological Transformation of Organic Matter in Wheat Winter Crops on Typical Black Soils

Karpenko Olena, Butenko Yevheniia, Rozhko Valentina, Sykalo Оksana, Chernega Tetyana, Kustovska Alla, Onychko Viktor, Tymchuk Dmytro S., Filon Vasyl, Novikova Anna

Journal of Ecological Engineering

2022

Vol. 23, nr 9

181--186

The influence of different agriculture systems and measures of basic tillage on nutrient regime, its relation to the number of microorganisms involved in transformation of organic matter in typical black soils was studied. Direction of the formation processes of some physiological indices in the field of wheat winter was investigated. It was found that the most favorable conditions of nutrition and soil microflora development, as well as indices of crop growth and development are created when using ecological system of agriculture.

Changes in Agrochemical Parameters of Sod-Podzolic Soil Depending on the Productivity of Cereal Grasses of Different Ripeness and Methods of Tillage in the Carpathian Region

Karbivska Uliana, Asanishvili Nadiia, Butenko Andrii, Rozhko Valentina, Karpenko Olena, Sykalo Оksana, Chernega Tetyana, Masyk Ihor, Chyrva Andrii, Kustovska Alla

Journal of Ecological Engineering

2022

Vol. 23, nr 1

55--63

Productivity and mowing periods of various cereal grasses on sod–podzolic soil of Pre–Carpathians were studied. The presence of sown grasses with different ripeness periods provides uniform supply of mowing mass from the middle of May till late September and productivity of lands, which is 5.4–6.8 t ha-1 of dry mass, exchange energy – 44.1–56.8 GJ ha-1 and 3.81–4.87 t ha-1 f.u. On the basis of the obtained results, it was found that with increase of tillage depth from 8–10 cm for surface tillage with disk tools to 20–22 cm by plowing, the productivity of all studied species increased by 2–3% on average for three years with fertilization dose of LSD05 equal to 0.30 t ha-1. Cultivation of cereal grasses on sod–podzolic soils stipulates improvement of their fertility, in particular increasing indices of nitrogen, phosphorus and potassium.

Influence of Cultivation Technology on the Growth and Development of Sweet Corn Plants of Hybrid Moreland F1

Hryhoriv Yaroslava, Butenko Sergey, Hotvianska Anna, Nozdrina Nataliia, Rozhko Valentina, Karpenko Olena, Sykalo Оksana, Kustovska Alla, Toryanik Valentina, Salatenko Ivan

Ecological Engineering & Environmental Technology

2022

Vol. 23, iss. 6

104--110

The results of research on the influence of plant standing density and level of mineral fertilization on growth and development of sweet corn plants of hybrid Moreland F1 on sod–podzolic soils have been presented. The change in influence degree of technological factors on the height of sweet corn plants in different periods of the crop growth and development has been established. It was determined that the longest vegetation period had the crops of sweet corn grown under conditions of full mineral fertilization and maximum plant density of 80.000/ha – 80.3 days, and the shortest one was on the variant with unfertilized background and plant density of 60.000/ha – 73.2 days. Increase of mineral fertilizer dose contributed to better growth of sweet corn than in variants without mineral fertilizers. Increase of plant density up to 80.000/ha led to unnatural stretching of plants (over 190 cm). It was determined that the optimal plant height of the crops was at the density of 60 thousand/ha on the background of nutrition N135P90K125 + N60 + N30. The maximum average daily growth was characterized by sweet corn plants on the background of nutrition N135P90K125 + N60 + N30 with plant density 80.000/ha – 2.93 cm.