Validation of IPM strategy for rainfed upland rice (Oryza sativa L.) under medium rainfall plateau of Eastern India through on-farm trials

Farmers' participatory on-farm trial was conducted on integrated pest management (IPM) schedule for upland rice during wet seasons (WS) of 2001, 02 and 03 in five locations of Hazaribag District (Chotanagpur plateau) in Jharkhand state. The IPM package (Improved practice; IP) was compared with the farmers' practice (FP) with both improved variety (Vandana) and traditional variety (Brown Gora; BG). Adoption of IPM package significantly enhanced rice grain yield in both improved (44.6%) and traditional (41.1%) varieties with highest average grain yield of 2.24 t ha-1 in Vandana grown under improved practice. Improved practice with variety Vandana also showed higher benefit: cost ratio (average 0.61) with higher return over paid out cost.