Cropping systems, location | Cropping period | Crop variety, duration & spacing | Land preparation/tillage operations | Manure and fertilizer application | Irrigation | Average yield |
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Rice-fallow system (20° 18′ to 20° 21′ N, 84° 53′ to 84° 55′ E) | Rice (mid-Jun to end of Oct) in rainy season | Rice var. ‘Pratikshya (125 d) with 20 × 10 cm, ‘MTU 1001’ (120 d) with 20 × 10 cm | One summer ploughing and puddling before transplanting of rice | Farmyard manure (FYM) @ 3-5 t ha-1 yr-1, N-P2O5-K2O @ 60-30-30 kg ha-1 | Supplemental irrigation 2-3 times during dry spells | 2.8-3.2 t ha-1 |
Rice-sugarcane-2 years rotation (20° 20′ N, 84° 54′ E) | Rice (Jul-Nov) in rainy season; sugarcane (mid Apr- Feb/Mar) | Rice var. ‘Pratikshya (125 d), ‘Swarna’ (140-145 d), ‘MTU 1001’ (120 d) with 20 × 10 cm & sugarcane var. ‘Co 87044 (Uttara) Co 86249 (Bhavani) with 60-75 cm | One summer ploughing and puddling before transplanting of rice; ploughing and trenching while planting of sugarcane | FYM @ 3-5 t ha-1; N-P2O5-K2O @ 80-40-40 kg ha-1; FYM @ 5-7 t ha-1; N-P2O5-K2O @ 200-80-60 kg ha-1 in splits for sugarcane | Supplemental irrigation 4-5 times to rice; need periodical based irrigation to sugarcane | Rice yield 3-4.5 t ha-1 & sugarcane 80-100 t ha-1 |
Rice-mung bean system (20° 20′ N, 84°52′ E) | Rice (Jul-Oct/Nov) in rainy & green gram (second fortnight of Nov-early Feb) | Rice var. Pratikshya (125 d), ‘Swarna’ (140-145 d), ‘MTU 1001’ (120 d) with 20 × 10 cm and mung bean var. ‘Sujata’ (65-70 d), ‘Samrat’ (75-80 d) with broadcasting | One summer ploughing and puddling before transplanting of rice, one ploughing for mung bean | FYM @ 3-5 t ha-1 for rice; N-P2O5-K2O @ 60-30-30 kg ha-1 for rice and 20-40-20 kg ha-1 for mung bean | Supplemental irrigation 3-4 times to rice and residual moisture or one irrigation to mung bean | Rice yield 3.0-3.5 t ha-1 & mung bean 0.5-0.7 t ha-1 |