{a} uzb. inst. genet., tashkent, uzbekistan sharpley, a. n. ( ). an innovative approach to estimate bioavailable phosphorus in agricultural runoff using iron oxide-impregnated paper. journal of environmental quality ( ): - . usda-ars, natl. agric. water quality lab., p.o. box , durant, ok - , usa sharpley
{a} uzb. inst. genet., tashkent, uzbekistan sharpley, a. n. ( ). an innovative approach to estimate bioavailable phosphorus in agricultural runoff using iron oxide-impregnated paper. journal of environmental quality ( ): - . usda-ars, natl. agric. water quality lab., p.o. box , durant, ok - , usa sharpley...
http://www.cicr.org.in/PDF/hirsutum_ref.pdf