The modern structure of the republican association “Belagroservice” is determined. A deep and comprehensive analysis was carried out, as well as an assessment of the production and financial condition of domestic agroservice organizations. At the same time, accounts receivable and accounts payable were studied, the structure of revenue and the profitability of certain types of agroservice works and services were considered. Promising directions for the effective functioning of agroservice organizations at the present stage have been developed.
Based on the systematization and clarification of the theoretical and methodological foundations on the issues under study, scientific and methodological proposals have been developed to improve investment and innovation activities, tax planning in agriculture, the mechanism for pricing and distributing income between the areas of the agroindustrial complex by stages of distribution.
The theoretical and methodological apparatus of investment activity has been developed. An analysis was made of models of investment (depending on the role of the state) and innovative development, as well as models of economic growth based on innovation. Nonlinear models for the implementation of the innovation process and types of national innovation models have been studied. The main directions of innovative development of agroindustrial production by areas of activity are identified.
The essence of the state investment policy in the agroindustrial complex is shown. The indicators of investment of fixed capital, its availability, movement and condition in agricultural organizations of Belarus, including by regions, are analysed. Proposals are given to improve the mechanisms for investment, lending and import substitution in the agricultural sector, aimed at improving the efficiency and sustainability of domestic agroindustrial production.
The results of sequencing and bioinformatics analysis of genomic changes in 9 F1 progeny of males from the isogenic line D. melanogaster irradiated by Co60 Y—rays at a dose of 40 Gy (LD85) and in 3 control samples are presented. In 9 progeny from irradiated males, a total of 46 genomic changes (32 significant and 15 mosaic de novo mutations) were found, which is equal to a frequency of 5.2 mutations/genome. The spectrum of changes included 33 deletions (17-78 000 bp in size), 4 duplications (322-1371 bp), 4 reciprocal translocations and 6 inversions in X, 2 and 3 chromosomes. In 3 studied control samples, 2 deletions (98 and 128 bp in length) were found in 3 chromosome (frequency - 0.66 mutations/genome). This shows that in the progeny of irradiated males, the frequency of de novo mutations at the genome level is 7.9 times higher than in the control, even without taking into account base substitutions and indels, the analysis of which is ongoing. Almost half of the identified structural changes in the genome affect coding genes. Thus, the results show that next-generation genome sequencing can detect a much wider range of mutations of any size. This indicates a much higher genetic hazard of sparsely ionizing radiation than previously thought.
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