Improvecement of Efficiency and Environmental Impact of Nitrogen Fertilizers in Irrigated Rice Cropping in South EAST Asia : final Technical Report FAO text Jakarta FAO 1999 132p, ill, 30 cm IRRIGATED RICE NITROGEN FERTILIZERS ENVIRONMENTAL IMPACT SOUTHEAST ASIA 633.18.184 633.18.184 INLIS000000000003644 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)