Продуктивность ярового рапса и вынос элементов питания в зависимости от системы удобрения на дерново-подзолистой легкосуглинистой почве | Efficiency of spring rape and carrying out of nutrients depending on fertilizer system in cultivation on podzoluvisol loam soil
2012
Lapa, V.V. | Lopukh, M.S. | Kulesh, O.H. | Lomonos, M.M. | Shpoka, E.I., National Academy of Sciences. Scientific and Practical Center for Arable Farming (Belarus). Institute for Soil Science and Agrochemistry
In course of the research there was studied influence of various fertilizer systems in spring rape (Brassica napus) cultivation on podzoluvisol loam soil. The research was realized in the conditions of the Republic of Belarus. As a result of realized research it was revealed that mineral fertilizers application in doses N90P60K120 promoted formation of seeds spring rape productivity 28.2 t/ha. Specific carrying out of basic nutrients from 1 t basic and by-product production at the given fertilizer system made: nitrogen 44.4 kg, phosphorus 21.5 kg; potassium 54.9 kg, calcium 19.1 kg, magnesium 7.6 kg. In the research with summer rape in 2010-2011 it was revealed that depending on mineral fertilizer system the indicators of specific carrying out of nitrogen and phosphorus were below standard. Specific carrying out of potassium (except without fertilizers variant) was above standard and in a variant with entering N90+30P60K120 exceeded it twice. Specific carrying out of calcium exceeded standard in 2.7-4.1 time, magnesium - in 3.3-4.1 times.
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