Organic materials (OF) like azolla, chicken manure (CM), Indigo,rice straw, and wild sunflower were incorporated into the soils 7 to 30 days before tranplanting (DBT)depending on nutrient release in dry season (DS) and in wet season (WS).Inorganic fertilizer (IF), commercial organic fertilizer (COF) with 1/2 of the recommended IF rate applied 7 DBT, and no fertilizer treatments were also included as checks.