Home Publications & Data Journal Article Phosphorus in low-Input dryland agriculture: the perspective from Syria author(s) Ryan, J. published in2013 regions Syria original file download full citation Ryan, John; Ibrikci, Hayriye; Rashid, Abdul; Sommer, Rolf. 2013. Phosphorus in low-Input dryland agriculture: the perspective from Syria. Communications in Soil Science and Plant Analysis. 44: 2378-2392.