The effect of mineral fertilizers and pesticides on the yield and quality of spring barley grain in the conditions of the Krasnoyarsk forest-steppe

Abstract

The study was conducted in the Krasnoyarsk forest-steppe on leached chernozem. The scheme of the experiment included the introduction of ammonium nitrate and azophoska. The spring barley protection scheme was studied, represented by the preparations Hat Trick, SC, Ballerina Super, SE, Lastik Extra, CE, Reggie, VRK, Baliy, KME, Borey Neo, SC. The repetition of the experience is 4 – fold. The registered area of the plot is 45 m2. Seeding rate - 5.0 mln. The humus content in the soil was determined in accordance with GOST 26213-84, nitrate nitrogen according to GOST 26951-86, mobile compounds of phosphorus and potassium - according to GOST 26204-91. The protein content in the grain was carried out in accordance with GOST 10846-91, the nature of the grain - GOST 10840-64, the mass of 1000 grains - GOST 10842-89. Preliminary studies have established that the maximum yield of barley was obtained with the introduction of azofoski (N60P60K60) and the use of protective equipment - 5.93 t/ha, compared with the control, the increase was 1.82 t/ha or 30.6%. The highest value of the protein content was noted when azofoski was applied - 13.40%. The pre-sowing application of azofoski and the use of plant protection products increased the mass of 1000 grains by 3.2 - 4.8 g, the grain nature by 18 - 26 g/l compared with the control.