Conditions for balanced root nutrition of plants on grey forest soil, deficient in phosphorus

摘要

Data are tabulated on the effects of different applications of K, PK, NK, and NPK fertilizers on crop yields, soil P, plant nutrient composition and biomass in two cropping sequences in 1978-1986 and 1987-1995, barley (1986 and 1990) and winter wheat (1988 and 1993) in a field experiment in the Moscow region, Russia.