Formation the productivity of castor plant depending on row spacing and standing density

Selection of plant species, their varieties or hybrids and the formation productivity is an urgent need today due to shortage biofuel production at world level. The purpose research was reveal influence technological measures (row spacing density standing) on elements crop structure castor varieties. Research conducted during 2020-2021in field conditions study stand row width Khortytska 3 Olesia in educational scientific laboratory "Demonstration Field Agricultural Crops" NUBiP Ukraine. Following methods were used: theoretical (statistical processing) practical (descriptive, comparative). following indicators evaluated: weight 1000 seeds, number fruits per plant, seeds plant. Results. Seed yield variety 1.27–1.46 t/ha with a maximum 50,000 plants/ha 70 cm. cultivar Khortyts’ka option standing space Olesya 1.34–1.42 selection two most productive options: first 45 cm 37.5 thousand plants/ha; alternative 50 plants/ha. one can increase almost twice when reduced from 25 plants/ha, simultaneous larger seeds. Thousand ranged 268 283 g it 294–316 Olesya, It established that correlation between seed negative absent all, positive density. results indicate high compensatory ability under different densities widths Right Bank Forest Steppe This makes possible carry out further sowing parameters wider range use obtained for growing atypical soil climatic