Abstract
The article presents the results of studying the bioresource potential of the medium-late hybrid of corn Beshtau at the All-Russian Research Institute of corn on dry land and at the Chechen Research Institute of Agriculture on irrigation. In the steppe zone of the republic, against the background of the use of irrigation, the application of mineral fertilizers at a dose of N90P120K60 in combination with pre-sowing seed treatment with the agrochemical Bioplant Flora (1.0 l / t) and foliar top dressing with a tank fertilizer mixture Kristalon (3 kg / ha) + Brexil Zn (0, 15 kg / ha) + urea (7 kg / ha) showed high efficiency in realizing the potential of the Beshtau hybrid. Due to irrigation and the use of these fertilizers, it turned out to be possible to increase the grain yield of the Beshtau corn hybrid to 12 t / ha. The application of mineral fertilizers to the soil at a dose of N90P120K60 in combination with foliar feeding of plants with the agrochemical Bioplant Flora at a dose of 1.0 l / ha in 5 leaves and 2.0 l / ha in 8 leaves increased the starch content in the grain from 62.63 to 72.08%, protein - from 10.65 to 12.28%.
Highlights
Corn is a high-yielding grain and forage crop
We studied the potential yield of a mid-late hybrid of Beshtau corn bred by All-Russian Research Institute of Corn in different soil and climatic conditions
In an experiment conducted in the zone of sufficient moisture in the Stavropol Territory to test corn hybrids of the All-Russian Research Institute of Corn, the Beshtau hybrid showed the highest yield of green mass and grain [13]
Summary
Due to accumulation of a large amount of organic matter within the growing season, plants show a high need for water and mineral nutrients. The most common and effective way to meet the needs of corn plants for nutrients and to increase productivity is application of mineral fertilizers to the soil [2,3,4,5,6]. In addition to traditional fertilizers, plant nutrition with various agrochemicals is of great importance in the nutrition system. Use of such fertilizers can significantly increase the yield of green mass and corn grain [7,8,9]. Mineral fertilizers and agrochemicals for foliar dressing significantly improve the quality of corn grain [10,11,12]
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