WHITE LUPIN EFFICIENCY AT DIFFERENT LEVELS OF MINERAL NUTRITION
2005
V.N. Naumkin | Kurenskaya, O.J. | Murawev, A.A. | A.N.Kryukov | Artyuhov, A.I. | Lukashevich, M.I.
Results of field research on the impact of mineral macro- and micronutrients on the growth of biomass, forming symbiotic system, yield and quality of seeds of white lupine (Lupinus albus) variety Degas, and the economic and bioenergetic explanation of their application in the Belgorod region. Studies were conducted in 2013 and 2014 in the collection nursery of the department of plant growing, breeding and vegetable growing, Belgorod State Agricultural University named after V.Y. Gorin. During the research the weather conditions were dry, characterized by a shortage of water in excess of heat in the critical periods of development of lupine plants. Experience includes ten variants: control (without fertilizer application), N60, Р60, К60, N60P60, N60K60, Р60К60, N60Р60К6о, N60Р60К6о + ZhUSS -2, N60Р60К6о + ZhUSS -3. The area accounts plots of 10 m2, four-time repetition, and systematic planting. The forecrop of lupine – spring wheat. Farming – adopted for the cultivation of early grain legumes in the region. The data showed that application of complete fertilizer combined with micro fertilizers (N60Р60К60 + ZhUSS - 2, N60Р60К60 + ZhUSS -3) contributed to a better formation of the above-ground biomass and symbiotic apparatus of lupine plants, that provided the seed yield of 2,39 and 2,35 t / ha of high quality with a crude protein content of 41,3 % and 40,5 %. Thus high economic (level of profitability of 184,6 % and 183,2 %) and bioenergy (bioenergetic factor of 2,4 and 2,3) effectiveness of cultivation of white lupine was achieved.
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