Sudin V. Impact of cultivation technologies on productivity and quality of rice seeds of varieties belonging to different ripeness groups.

Obgect of researches: seeds for the varieties of various ripeness groups rice. produce ontput. its cost. The purpose of researches: A structure of crop lands for different rice cultivation technologies. Methods of researches: the system approach to the analysis of the large information fibs. a statistical subctantiation with use of the standard methods of mathematical statistics. Results of researches: 1) for the theory - the analysis issues of evaluaring different rice cultireation technologies after the praduce ontput for the varieties ofvorious ripeness groups. Can be use and of issues different agricultural cultures: 2) for practive - the introduction in manufacture propose a structure of crop lands and the varieties of different rice cultivation technologies will accompany efficiency for rice cultuvation in Ukraine. Sphere of use: Agricultural Research of organisations, agricultural of organisatios rice cultivation in Ukraine.