Вплив основних елементів сортової агротехніки на врожайність гречки в умовах Західного Лісостепу України / Influence of the main elements of sorte agriculture on the greenhouse waiver in the conditions of Western Forestry of Ukraine
Journal Title: Вісник Львівського національного аграрного університету. Агрономія - Year 2018, Vol 22, Issue
Abstract
The results of the study of the influence of the main elements of varietal agrotechnics on the yield of buckwheat in the conditions of the Western Forest-Steppe of Ukraine are presented. The influence of sowing terms, seed rates and fertilizer level on the productivity of buckwheat varieties named Ukrainka (standard) and Sofia on dark gray podzolic soils was investigated. It has been established that variety Sofia dominate the standard variety of Ukrainka in the terms of sowing, seeding and fertilization. From the studied periods of sowing, the highest yield of the Sophia variety was obtained at 18,2 c/ha per sowing on May 1 with an increase to 1,4 c/ha for Ukrainka variety. In studying the seed rate, the highest yield of the Sophia variety was 18,4 c/ha in terms of seeding 60 kg/ha, with the increase of 1,2 c/ha. The lowest yield of Ukrainka variety was 14,1 c/ha in terms of sowing rates of 50 kg/hе. The highest yield of the Sophia variety was 18,7 c/ha at the level of mineral fertilizer N60P45K45. To obtain a programmed yield of 25 c/hе, the estimated rate of mineral fertilizer should be increased to N87P88K77. Under such fertilization, the yield of the Sofia variety was 25,2 c/ha with an increase to control of 15,5 c/ha. The lowest yield was obtained in the control variant of Ukrainka variety 9,3 c/ha.
Authors and Affiliations
В. Parkhuts
Keywords
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