PATTERN OF P UPTAKE BY SPRING BARLEY 05 4 03 2O2 o Go 110 330 t50 17o 19 Nuber af days arer so SoUrce Adapead Mom Lag and AsiAn 798S Jre uptake af pastors aruges cming crop growth Spring bursey arp supyfred wen? praasporir took ap about 1.4 kg P O ob Ag Plug per aay Morange fine whereas a cop wch? Jthe awantatl praoephioxu too up about O 4 kg P O. r0.2 kg P)Ta per dy (n line). Vies af grant reflected pfasphorues wvaablatx A4 ad 2.9 tru wen amd withour am adequate supply o phnospfaorus