METHOD FOR DETERMINING OF WINTER SORTS OF WHEAT FOR FERTILIZER RESPONSE Russian patent published in 2003 - IPC

FIELD: agriculture. SUBSTANCE: method involves applying fertilizer at plant growing period and determining fertilizer response; before sowing, introducing instant nitrogenous and phosphorous fertilizer; determining fertilizer response at early stages of biogenesis by interstage period from germination phase to tillering phase, said period being reduced by at least 3 days as compared to control unfertilized sort. The shorter is interstage period, the more responsive is sort of winter wheat. EFFECT: increased efficiency and provision for obtaining of precise data. 1 tbl