Abstract
Metal nanoparticles are used in agriculture as trace elements for agricultural plants, as growth stimulants, and pesticides. Nanodisperse metals are known to have biological, antioxidant, and enzymatic activity. The article presents the results of research on oat of the “Skakun” variety, conducted in 2014-2017 in the conditions of the Agricultural technology station of RSATU (Ryazan region). The experiment was carried out on gray forest heavy loam soil, in 3 times repetition. Its predecessor is winter wheat. In the experiment, cobalt nanopowder (NP Co) and copper nanopowder (NP Cu) were used with a purity of 99, 98%, the size of metal particles was 20-40 nm. The effect of nanopowders of cobalt and copper metals and their combinations on the productive, physiological and biochemical parameters of oat plants in production conditions is shown. The best result was observed when using the preparation with a mixture of cobalt and copper nanoparticles at a concentration of 0.5 g per average seed rate per hectare - field germination increased by 5.0%, grain yield increased by 15.3%, grain protein content - by 2.0%, fat content - by 0.5% relative to the control.
Highlights
Russia is a leader in growing oat grain – more than 20% of the world's gross production
Various forms of microelements and growth stimulants play an important role in the technology of oat growing [1]
The main function of trace elements is to increase the activity of enzymes and stimulate metabolic processes, which causes intensive growth and development of plants [2]
Summary
Russia is a leader in growing oat grain – more than 20% of the world's gross production. Various forms of microelements and growth stimulants play an important role in the technology of oat growing [1]. The main function of trace elements is to increase the activity of enzymes and stimulate metabolic processes, which causes intensive growth and development of plants [2]. When studying the methods of microfertilizers application, it was found that in terms of technology, economic and agronomic efficiency, the best results were obtained when using microelements for seed incrustation, planting material processing, as well as when foliar dressing of plants during their growing season [4]. The active introduction of nanomaterials containing trace elements in agriculture necessitates a detailed study of new substances in laboratory and field conditions both to determine the most effective nanopreparation, and to establish an their effective combination for inclusion in the production technology of major agricultural crops [5, 6]. Nanomaterials have strong biocatalytic properties that depend on the size of nanoparticles, their concentration, and the method of preparation [11]
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