00349nam a22001097a 4500008004100000082002700041100002100068245003700089260006800126300001300194650003200207140301b        xxu||||| |||| 00| 0 eng d  aFil. 631.86 K52bc1988  akhan, M. Manzoor  aAzolla agronomy/cM.Manzoor Khan  bAsian Development Bank to the Philippine,cc1988.aPhilippines:  a152 p. :  xOrganic fertilizersxAzolla