The paper studied the effect of growth stimulators on germination, plant growth and development, and the formation of pea yields in the conditions of the southern forest-steppe of Western Siberia. Studies of plant growth stimulants during seed treatment and foliar (leaf) treatment of peas were carried out in the forest-steppe of the south of Western Siberia. We studied the pea variety Triumph of Siberia, growth stimulants Lignohumate and Zerebra Agro. The content of N-NO 3 in meadow-chernozem soil before sowing in a layer of 0-40 cm is low, mobile phosphorus is elevated and mobile potassium in a layer of 0-20 cm is very high. Plant growth stimulants had a positive effect on the field germination of peas. Seed treatment with Lignohumate increased field germination by 8.8%, - Zerebra Agro by 6.6% (control - 69.3%). In all variants, the high preservation of pea plants was noted. The maximum was when using the drug Lignohumate and was 98.8% on average for two years (control 86.2). In the experiment, the development of plants occurred in 72-78 days. The period from sowing to germination lasted 11-12 days, and flowering lasted more than a month. Lignohumate and Zerebra Agro, when used, contributed to the acceleration of the formation and maturation of pea beans. In general, the use of growth stimulants reduced the growing season to 6 days compared to the control (78 days). The use of growth stimulants in the cultivation of peas had a positive effect on yield. When using Lignohumate by seed treatment and joint application by seed treatment and foliar treatment during the growing season, the increase in grain yield was 0.27 and 0.31 t/ha, respectively (the yield in the control was 3.02 t/ha). When using Zerebra Agro by seed treatment and double application (seed treatment + foliar treatment), the yield increased by 0.25 and 0.31 t/ha, respectively. Joint treatment of seeds with growth stimulants with foliar treatment has no advantages compared to a single application of drugs (with seed treatment).
peas, efficiency, stimulant, grain, structure
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