Scope, potential and limitations
Rice is the most dominant crop in Odisha cultivated in 70 % of the cropped area. Rice-rice area is confined to 2.5 lakh ha. Rice-rice cropping system is prevalent in the irrigated medium and shallow low land ecosystem. District wise more than 90% of the area under rice-rice cropping system is followed in Balasore, Sonepur, Kalahandi, Puri, Baragarh, Sambalpur, Koraput, Bhadrak, Balangir, Cuttack, Rayagada, and Maurbhanj districts of Odisha.
- The upland ecosystem comprises about 15.7% of the rice area and 10.8% of total rice production in the state. The average yield of this ecosystem is about 1 t/ha.
- Major limitations associated with upland ecosystems are inherent poor soil fertility, severe weed competition, coarse-textured soil with poor water holding capacity, intermittent drought, and imbalance fertilization.
- Major limitation for rice is bacterial leaf blight, sheath blight, sheath rot, stem borer, and brown plant hopper and leaf folder.
- Occurrence of various
insect pests and disease (brown planthopper, white-backed planthopper, stem
borer, gall midge, sheath rot, and bacterial leaf blight) causes significant
yield loss.