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Information × Registration Number 0218U100108, 0118U001428 , R & D reports Title Multicomponent nanocomposites to stimulate the growth of agricultural plants popup.stage_title Head Turov Volodymyr V., Доктор хімічних наук Registration Date 29-12-2018 Organization Chuiko Institute of Surface Chemistry of NAS of Ukraine popup.description2  Abstract Report on research work: 61 pp., 22 rice, 5 tables, 32 sources The objects of the study are hydrophilic and hydrophobic highly dispersed silica, Enoxil, tannin and composite systems on their basis, preparations for spraying seeds, created on the basis of hydrophobic silica with macro and microelements, composite systems containing trace elements on the surface, humic acids and phytohormones , seeds of hybrids of tomatoes, white cabbage, celery and carrots. The purpose of the work is the study of phase phenomena involving heterogeneous composites on the basis of hydrophobic and hydrophilic silica, the development on this basis of a technological scheme for the production of nanocomposite systems for accelerating plant growth and conducting field tests of nanocomposites on small areas with the aim of determining the effectiveness of their use on different types of soils and in conditions of different humidity. Development of optimized types of composites in quantities sufficient for large-scale field trials. Research methods - low-temperature 1 H NMR spectroscopy, IR spectroscopy, electronic and optical microscopy, technical scales, modeling of the interaction of components and theoretical calculations. The state of water on the interphase boundary of hydrophobic and hydrophilic silicas and their mixtures, used in protective and stimulating systems of processing seeds of crops, is studied. It was found that the addition of a hydrophobic component significantly increases the energy of water and aqueous solutions on the surface of composites. This leads to an increase in the efficiency of the use of nutrients and the acceleration of seed germination, especially in the early stages of vegetation. An additional factor that can influence the retention of phase-phase water by mixtures of silica is the metered mechanical loads used during the production of the composite system. Thus, it has been shown that small loads can cause a stronger retaining effect in compar Product Description popup.authors popup.nrat_date 2020-04-02 Close