00491nam a22001457a 4500 141219b xxu||||| |||| 00| 0 eng d 9711041898 Fil.(R) 633.18 P192 c1991 3710 Pandey, R.K A Primer on organic-based rice farming/ R.K. Pandey Philippines : IRRI, 1991. 201 pages : ill. Rice--Fertilizers Organic fertilizers--Philippines Sustainable agriculture--Philippines ddc FILREF 4550 4550 0 0 ddc 0 0 Fil Ref SPMT-CAS SPMT-CAS 2014-12-19 0 Fil/R/633.18/P192/c1991 006521 2016-04-07 00:00:00 2014-12-19 BK