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^: 16-1277 2017 N 1
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^: - = The influence of the borophoska aftereffect on the harvest formation of alfalfa-grasses mixtures in the conditions of grey forest soils of the Central region
^: . . / . . . -. . , . ., 2017; N 1(59). - . 13-19
^: 2017
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^: - , - , . 2014-2016 . -- , , . - . . , - III-V ( 2014-2016 .) 40-45 / 10-11 / 545 920 / . - .

aref2 2 When cultivating legume-bluegrass mixtures it is important to ensure the balanced nitrogen, phosphorus and potassium nutrition, and availability of molybdenum and boron as microelements. In the years 2014-2016 the feasibility of borophoska application as a phosphorous-potash-boron fertilizer of the prolonged action together with ammonium nitrate was studied in the cultivation of grass mixtures of alfalfa (Medicago varia Mart.) and perennial bluegrasses such as timothy grass (Phleum pratense), meadow fescue (Festuca pratensis), cocksfoot (Dactylus glomerata) and smooth brome (Bromus inermis) in the gray forest soils of the Bryansk region. The objective of the research was to establish the most rational dose of borophska together with the annual nitrogen fertilizing for two-component alfalfa-bluegrass mixtures of medium-term use. The research methods are field and laboratory. The studies have shown that for III-V years of use (on average for 2014-2016) two-component alfalfa-bluegrass mixtures ensure the output of 40-45 t/ha of green mass and 10-11 t/ha of dry matter with a single borophoska application of 545 kg/ha and 920 kg/ha together with an annual nitrogen fertilizing. The borophoska fertilizing allows high productive longevity of alfalfa-bluegrass stands of medium-term use.

^TRN: 1669981
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