| Tillage |
5/15: Plow depth of 20 cm |
5/15: Plow depth of 20 cm |
5/14: Plow depth of 20 cm |
| Rice cultivation |
5/25: transplanting; 9/25: harvesting, grain yield of 2400 kg C/ha |
5/25: transplanting; 9/25: harvesting, grain yield of 2700 kg C/ha |
5/25: transplanting; 9/25: harvesting, grain yield of 3000 kg C/ha |
| Flooding |
5/15–8/25: Continuously flooding, water depth of 10 cm |
5/15–8/25: Continuously flooding, water depth of 10 cm |
5/14–8/25: Continuously flooding, water depth of 10 cm |
| Fertilization |
6/1: Urea (24 kg N/ha); 7/1: Urea (36 kg N/ha) |
6/1: Urea+Synthetic fertilizer (36 kg N/ha); 7/1: Urea (54 kg N/ha) |
1/1: Urea+Synthetic fertilizer (48 kg N/ha); 7/1: Urea (72 kg N/ha) |
| Manure application |
No |
No |
No |
| Residues incorporation |
10% |
10% |
10% |
